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Automatic documentation update.

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faq.html
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@ -1,39 +1,61 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Frequently Asked Questions</title>
<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
<meta name="title" content="Frequently Asked Questions"/>
<!-- 2015-09-24 Thu 21:15 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="generator" content="Org-mode" />
<meta name="generated" content="2014-10-01T21:16+0100"/>
<meta name="author" content=""/>
<meta name="description" content=""/>
<meta name="keywords" content=""/>
<style type="text/css">
<!--/*--><![CDATA[/*><!--*/
html { font-family: Times, serif; font-size: 12pt; }
.title { text-align: center; }
.todo { color: red; }
.todo { font-family: monospace; color: red; }
.done { color: green; }
.tag { background-color: #add8e6; font-weight:normal }
.target { }
.tag { background-color: #eee; font-family: monospace;
padding: 2px; font-size: 80%; font-weight: normal; }
.timestamp { color: #bebebe; }
.timestamp-kwd { color: #5f9ea0; }
.right { margin-left: auto; margin-right: 0px; text-align: right; }
.left { margin-left: 0px; margin-right: auto; text-align: left; }
.center { margin-left: auto; margin-right: auto; text-align: center; }
p.verse { margin-left: 3% }
.underline { text-decoration: underline; }
#postamble p, #preamble p { font-size: 90%; margin: .2em; }
p.verse { margin-left: 3%; }
pre {
border: 1pt solid #AEBDCC;
background-color: #F3F5F7;
padding: 5pt;
font-family: courier, monospace;
font-size: 90%;
border: 1px solid #ccc;
box-shadow: 3px 3px 3px #eee;
padding: 8pt;
font-family: monospace;
overflow: auto;
margin: 1.2em;
}
pre.src {
position: relative;
overflow: visible;
padding-top: 1.2em;
}
pre.src:before {
display: none;
position: absolute;
background-color: white;
top: -10px;
right: 10px;
padding: 3px;
border: 1px solid black;
}
pre.src:hover:before { display: inline;}
pre.src-sh:before { content: 'sh'; }
pre.src-bash:before { content: 'sh'; }
pre.src-emacs-lisp:before { content: 'Emacs Lisp'; }
pre.src-R:before { content: 'R'; }
pre.src-perl:before { content: 'Perl'; }
pre.src-java:before { content: 'Java'; }
pre.src-sql:before { content: 'SQL'; }
table { border-collapse:collapse; }
caption.t-above { caption-side: top; }
caption.t-bottom { caption-side: bottom; }
td, th { vertical-align:top; }
th.right { text-align: center; }
th.left { text-align: center; }
@ -42,22 +64,27 @@
td.left { text-align: left; }
td.center { text-align: center; }
dt { font-weight: bold; }
div.figure { padding: 0.5em; }
div.figure p { text-align: center; }
div.inlinetask {
.footpara:nth-child(2) { display: inline; }
.footpara { display: block; }
.footdef { margin-bottom: 1em; }
.figure { padding: 1em; }
.figure p { text-align: center; }
.inlinetask {
padding: 10px;
border: 2px solid gray;
margin: 10px;
background: #ffffcc;
}
#org-div-home-and-up
{ text-align: right; font-size: 70%; white-space: nowrap; }
textarea { overflow-x: auto; }
.linenr { font-size: smaller }
.code-highlighted { background-color: #ffff00; }
.org-info-js_info-navigation { border-style: none; }
#org-info-js_console-label { font-size:10px; font-weight:bold;
white-space:nowrap; }
.org-info-js_search-highlight {background-color:#ffff00; color:#000000;
font-weight:bold; }
#org-info-js_console-label
{ font-size: 10px; font-weight: bold; white-space: nowrap; }
.org-info-js_search-highlight
{ background-color: #ffff00; color: #000000; font-weight: bold; }
/*]]>*/-->
</style>
<link rel="stylesheet" type="text/css" href="stylesheets/manual.css" />
@ -107,11 +134,9 @@ for the JavaScript code in this tag.
}
/*]]>*///-->
</script>
</head>
<body>
<div id="preamble">
<div id="preamble" class="status">
<nav>
<ul class="center">
<li> <a href="index.html">Overview</a>
@ -128,14 +153,9 @@ for the JavaScript code in this tag.
<li> <a href="snippet-reference.html">Reference</a>
</ul>
</nav>
</div>
<div id="content">
<h1 class="title">Frequently Asked Questions</h1>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
@ -150,31 +170,27 @@ for the JavaScript code in this tag.
</div>
</div>
<div id="outline-container-1" class="outline-2">
<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1">Why is there an extra newline?</h2>
<div class="outline-text-2" id="text-1">
<p>
If you have a newline at the end of the snippet definition file, then
YASnippet will add a newline when you expanding a snippet. Please don't
add a newline at the end if you don't want it when you saving the
snippet file.
</p>
<p>
Note some editors will automatically add a newline for you. In Emacs, if
you set <code>require-final-newline</code> to <code>t</code>, it will add the final newline
for you automatically.
</p>
</div>
</div>
<div id="outline-container-2" class="outline-2">
<div id="outline-container-sec-2" class="outline-2">
<h2 id="sec-2">Why doesn't TAB expand a snippet?</h2>
<div class="outline-text-2" id="text-2">
<p>
First check the mode line to see if there's <code>yas</code>. If not, then try
<code>M-x yas-minor-mode</code> to manually turn on the minor mode and try to
@ -182,25 +198,28 @@ expand the snippet again. If it works, then, you can add the following
code to your <code>.emacs</code> <i>before</i> loading YASnippet:
</p>
<div class="org-src-container">
<pre class="example">(add-hook 'the-major-mode-hook 'yas-minor-mode-on)
<pre class="src src-emacs-lisp">(add-hook 'the-major-mode-hook 'yas-minor-mode-on)
</pre>
</div>
<p>
where <code>the-major-mode</code> is the major mode in which <a href="snippet-reference.html#yas-minor-mode"><code>yas-minor-mode</code></a> isn't
enabled by default.
</p>
<p>
From YASnippet 0.6 you can also use the command <code>M-x yas-global-mode</code> to
turn on YASnippet automatically for <i>all</i> major modes.
</p>
<p>
If <a href="snippet-reference.html#yas-minor-mode"><code>yas-minor-mode</code></a> is on but the snippet still not expanded. Then try
to see what command is bound to the <code>TAB</code> key: press <code>C-h k</code> and then
press <code>TAB</code>. Emacs will show you the result.
</p>
<p>
You'll see a buffer prompted by Emacs saying that
<code>TAB runs the command ...</code>. Alternatively, you might see
@ -210,28 +229,29 @@ command other than <a href="snippet-reference.html#yas-expand"><code>yas-expand<
following code to work around:
</p>
<div class="org-src-container">
<pre class="example">(add-hook 'org-mode-hook
<pre class="src src-emacs-lisp">(add-hook 'org-mode-hook
(let ((original-command (lookup-key org-mode-map [tab])))
`(lambda ()
(setq yas-fallback-behavior
'(apply ,original-command))
(local-set-key [tab] 'yas-expand))))
</pre>
</div>
<p>
replace <code>org-mode-hook</code> and <code>org-mode-map</code> with the major mode hook you
are dealing with (Use <code>C-h m</code> to see what major mode you are in).
</p>
<p>
As an alternative, you can also try
</p>
<div class="org-src-container">
<pre class="example">(defun yas-advise-indent-function (function-symbol)
<pre class="src src-emacs-lisp">(defun yas-advise-indent-function (function-symbol)
(eval `(defadvice ,function-symbol (around yas-try-expand-first activate)
,(format
"Try to expand a snippet before point, then call `%s' as usual"
@ -243,44 +263,43 @@ As an alternative, you can also try
(yas-advise-indent-function 'ruby-indent-line)
</pre>
</div>
<p>
To <i>advise</i> the modes indentation function bound to TAB, (in this case
<code>ruby-indent-line</code>) to first try to run <a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a>.
</p>
<p>
If the output of <code>C-h k RET &lt;tab&gt;</code> tells you that <code>&lt;tab&gt;</code> is indeed
bound to <a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a> but YASnippet still doesn't work, check your
configuration and you may also ask for help on the <a href="http://groups.google.com/group/smart-snippet">discussion group</a>.
See this particular <a href="http://code.google.com/p/yasnippet/issues/detail?id=93&amp;can=1">thread</a> for quite some solutions and alternatives.
See this particular <a href="http://code.google.com/p/yasnippet/issues/detail?id=93&can=1">thread</a> for quite some solutions and alternatives.
</p>
<p>
Don't forget to attach the information on what command is bound to TAB
as well as the mode information (Can be obtained by <code>C-h m</code>).
</p>
</div>
</div>
<div id="outline-container-3" class="outline-2">
<div id="outline-container-sec-3" class="outline-2">
<h2 id="sec-3">Why doesn't TAB navigation work with flyspell</h2>
<div class="outline-text-2" id="text-3">
<p>
A workaround is to inhibit flyspell overlays while the snippet is
active:
</p>
<div class="org-src-container">
<pre class="example">(add-hook 'flyspell-incorrect-hook
<pre class="src src-emacs-lisp">(add-hook 'flyspell-incorrect-hook
#'(lambda (dummy1 dummy2 dymmy3)
(and yas-active-field-overlay
(overlay-buffer yas-active-field-overlay))))
</pre>
</div>
<p>
This is apparently related to overlay priorities. For some reason, the
@ -291,22 +310,19 @@ solve this problem, drop a line in the
<a href="http://groups.google.com/group/smart-snippet">discussion group</a>.
</p>
</div>
</div>
<div id="outline-container-4" class="outline-2">
<div id="outline-container-sec-4" class="outline-2">
<h2 id="sec-4">How to I use alternative keys, i.e. not TAB?</h2>
<div class="outline-text-2" id="text-4">
<p>
Edit the keymaps <a href="snippet-reference.html#yas-minor-mode-map"><code>yas-minor-mode-map</code></a> and
<a href="snippet-reference.html#yas-keymap"><code>yas-keymap</code></a> as you would any other keymap:
</p>
<div class="org-src-container">
<pre class="example">(define-key yas-minor-mode-map (kbd "&lt;tab&gt;") nil)
<pre class="src src-emacs-lisp">(define-key yas-minor-mode-map (kbd "&lt;tab&gt;") nil)
(define-key yas-minor-mode-map (kbd "TAB") nil)
(define-key yas-minor-mode-map (kbd "&lt;the new key&gt;") 'yas-expand)
@ -318,30 +334,26 @@ Edit the keymaps <a href="snippet-reference.html#yas-minor-mode-map"><code>yas-m
(define-key yas-keymap (kbd "&lt;new-next-field-key&gt;") 'yas-next-field-or-maybe-expand)
(define-key yas-keymap (kbd "&lt;new-prev-field-key&gt;") 'yas-prev)
</pre>
</div>
</div>
</div>
</div>
<div id="outline-container-5" class="outline-2">
<div id="outline-container-sec-5" class="outline-2">
<h2 id="sec-5">How do I turn off the minor mode where in some buffers?</h2>
<div class="outline-text-2" id="text-5">
<p>
The best way, since version 0.6.1c, is to set the default value of the
variable <a href="snippet-reference.html#yas-dont-activate"><code>yas-dont-activate</code></a> to a lambda function like so:
</p>
<div class="org-src-container">
<pre class="example">(set-default 'yas-dont-activate
<pre class="src src-emacs-lisp">(set-default 'yas-dont-activate
#'(lambda ()
(and yas-root-directory
(null (yas-get-snippet-tables)))))
</pre>
</div>
<p>
This is also the default value starting for that version. It skips the
@ -349,28 +361,25 @@ minor mode in buffers where it is not applicable (no snippet tables),
but only once you have setup your yas-root-directory.
</p>
</div>
</div>
<div id="outline-container-6" class="outline-2">
<div id="outline-container-sec-6" class="outline-2">
<h2 id="sec-6">How do I define an abbrev key containing characters not supported by the filesystem?</h2>
<div class="outline-text-2" id="text-6">
<ul>
<ul class="org-ul">
<li><b>Note</b>: This question applies if you're still defining snippets
whose key <i>is</i> the filename. This is behavior still provided by
version 0.6 for backward compatibilty, but is somewhat
deprecated&hellip;
deprecated&#x2026;
</li>
</ul>
<p>
For example, you want to define a snippet by the key <code>&lt;</code> which is not a
valid character for filename on Windows. This means you can't use the
filename as a trigger key in this case.
</p>
<p>
You should rather use the <code># key:</code> directive to specify the key of the
defined snippet explicitly and name your snippet with an arbitrary valid
@ -378,23 +387,21 @@ filename, <code>lt.YASnippet</code> for example, using <code>&lt;</code> for the
directive:
</p>
<div class="org-src-container">
<pre class="example"># key: &lt;
<pre class="src src-snippet"># key: &lt;
# name: &lt;...&gt;&lt;/...&gt;
# --
&lt;${1:div}&gt;$0&lt;/$1&gt;
</pre>
</div>
</div>
</div>
<div id="postamble">
<hr><p class='creator'>Generated by <a href="http://orgmode.org">Org</a> version 7.9.3f with <a href="http://www.gnu.org/software/emacs/">Emacs</a> version 24 on 2014-10-01T21:16+0100 from 08b044e559cc350c6e7142d088ec2d4a82e378cb
</div>
<div id="postamble" class="status">
<hr><p class='creator'>Generated by <a href="http://www.gnu.org/software/emacs/">Emacs</a> 24.4.91.1 (<a href="http://orgmode.org">Org</a> mode 8.2.10) on from 7703a55ac416a131dec45fa6a1e0ec1e31adf760
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a></p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

111
index.html
View File

@ -4,36 +4,58 @@
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Yet another snippet extension</title>
<!-- 2015-09-24 Thu 21:15 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="title" content="Yet another snippet extension"/>
<meta name="generator" content="Org-mode" />
<meta name="generated" content="2014-10-01T21:16+0100"/>
<meta name="author" content=""/>
<meta name="description" content=""/>
<meta name="keywords" content=""/>
<style type="text/css">
<!--/*--><![CDATA[/*><!--*/
html { font-family: Times, serif; font-size: 12pt; }
.title { text-align: center; }
.todo { color: red; }
.todo { font-family: monospace; color: red; }
.done { color: green; }
.tag { background-color: #add8e6; font-weight:normal }
.target { }
.tag { background-color: #eee; font-family: monospace;
padding: 2px; font-size: 80%; font-weight: normal; }
.timestamp { color: #bebebe; }
.timestamp-kwd { color: #5f9ea0; }
.right { margin-left: auto; margin-right: 0px; text-align: right; }
.left { margin-left: 0px; margin-right: auto; text-align: left; }
.center { margin-left: auto; margin-right: auto; text-align: center; }
p.verse { margin-left: 3% }
.underline { text-decoration: underline; }
#postamble p, #preamble p { font-size: 90%; margin: .2em; }
p.verse { margin-left: 3%; }
pre {
border: 1pt solid #AEBDCC;
background-color: #F3F5F7;
padding: 5pt;
font-family: courier, monospace;
font-size: 90%;
border: 1px solid #ccc;
box-shadow: 3px 3px 3px #eee;
padding: 8pt;
font-family: monospace;
overflow: auto;
margin: 1.2em;
}
pre.src {
position: relative;
overflow: visible;
padding-top: 1.2em;
}
pre.src:before {
display: none;
position: absolute;
background-color: white;
top: -10px;
right: 10px;
padding: 3px;
border: 1px solid black;
}
pre.src:hover:before { display: inline;}
pre.src-sh:before { content: 'sh'; }
pre.src-bash:before { content: 'sh'; }
pre.src-emacs-lisp:before { content: 'Emacs Lisp'; }
pre.src-R:before { content: 'R'; }
pre.src-perl:before { content: 'Perl'; }
pre.src-java:before { content: 'Java'; }
pre.src-sql:before { content: 'SQL'; }
table { border-collapse:collapse; }
caption.t-above { caption-side: top; }
caption.t-bottom { caption-side: bottom; }
td, th { vertical-align:top; }
th.right { text-align: center; }
th.left { text-align: center; }
@ -42,22 +64,27 @@
td.left { text-align: left; }
td.center { text-align: center; }
dt { font-weight: bold; }
div.figure { padding: 0.5em; }
div.figure p { text-align: center; }
div.inlinetask {
.footpara:nth-child(2) { display: inline; }
.footpara { display: block; }
.footdef { margin-bottom: 1em; }
.figure { padding: 1em; }
.figure p { text-align: center; }
.inlinetask {
padding: 10px;
border: 2px solid gray;
margin: 10px;
background: #ffffcc;
}
#org-div-home-and-up
{ text-align: right; font-size: 70%; white-space: nowrap; }
textarea { overflow-x: auto; }
.linenr { font-size: smaller }
.code-highlighted { background-color: #ffff00; }
.org-info-js_info-navigation { border-style: none; }
#org-info-js_console-label { font-size:10px; font-weight:bold;
white-space:nowrap; }
.org-info-js_search-highlight {background-color:#ffff00; color:#000000;
font-weight:bold; }
#org-info-js_console-label
{ font-size: 10px; font-weight: bold; white-space: nowrap; }
.org-info-js_search-highlight
{ background-color: #ffff00; color: #000000; font-weight: bold; }
/*]]>*/-->
</style>
<link rel="stylesheet" type="text/css" href="stylesheets/manual.css" />
@ -107,11 +134,9 @@ for the JavaScript code in this tag.
}
/*]]>*///-->
</script>
</head>
<body>
<div id="preamble">
<div id="preamble" class="status">
<nav>
<ul class="center">
<li> <a href="index.html">Overview</a>
@ -128,15 +153,14 @@ for the JavaScript code in this tag.
<li> <a href="snippet-reference.html">Reference</a>
</ul>
</nav>
</div>
<div id="content">
<h1 class="title">Yet another snippet extension</h1>
<p>The YASnippet documentation has been split into separate parts:
<p>
The YASnippet documentation has been split into separate parts:
</p>
<ol>
<ol class="org-ol">
<li><a href="https://github.com/capitaomorte/yasnippet/blob/master/README.mdown">README</a>
<p>
@ -144,22 +168,26 @@ for the JavaScript code in this tag.
notes.
</p>
</li>
<li><a href="snippet-organization.html">Organizing Snippets</a>
<p>
Describes ways to organize your snippets in the hard disk.
</p>
</li>
<li><a href="snippet-expansion.html">Expanding Snippets</a>
<p>
Describes how YASnippet chooses snippets for expansion at point.
</p>
<p>
Maybe, you'll want some snippets to be expanded in a particular mode,
or only under certain conditions, or be prompted using <code>ido</code>, etc&hellip;
or only under certain conditions, or be prompted using <code>ido</code>, etc&#x2026;
</p>
</li>
<li><a href="snippet-development.html">Writing Snippets</a>
<p>
@ -168,6 +196,7 @@ for the JavaScript code in this tag.
TextMate snippets.
</p>
</li>
<li><a href="snippet-menu.html">The YASnippet menu</a>
<p>
@ -175,29 +204,27 @@ for the JavaScript code in this tag.
snippets.
</p>
</li>
<li><a href="faq.html">Frequently asked questions</a>
<p>
Answers to frequently asked questions.
</p>
</li>
<li><a href="snippet-reference.html">YASnippet Symbol Reference</a>
<p>
An automatically generated listing of all YASnippet commands,
(customization) variables, and functions.
</p></li>
</ol>
</div>
<div id="postamble">
<hr><p class='creator'>Generated by <a href="http://orgmode.org">Org</a> version 7.9.3f with <a href="http://www.gnu.org/software/emacs/">Emacs</a> version 24 on 2014-10-01T21:16+0100 from 08b044e559cc350c6e7142d088ec2d4a82e378cb
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a></p>
</li>
</ol>
</div>
<div id="postamble" class="status">
<hr><p class='creator'>Generated by <a href="http://www.gnu.org/software/emacs/">Emacs</a> 24.4.91.1 (<a href="http://orgmode.org">Org</a> mode 8.2.10) on from 7703a55ac416a131dec45fa6a1e0ec1e31adf760
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

397
snippet-development.html
View File

@ -1,39 +1,61 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Writing snippets</title>
<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
<meta name="title" content="Writing snippets"/>
<!-- 2015-09-24 Thu 21:15 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
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@ -107,11 +134,9 @@ for the JavaScript code in this tag.
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</head>
<body>
<div id="preamble">
<div id="preamble" class="status">
<nav>
<ul class="center">
<li> <a href="index.html">Overview</a>
@ -128,14 +153,9 @@ for the JavaScript code in this tag.
<li> <a href="snippet-reference.html">Reference</a>
</ul>
</nav>
</div>
<div id="content">
<h1 class="title">Writing snippets</h1>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
@ -159,14 +179,14 @@ for the JavaScript code in this tag.
<li><a href="#sec-2-9"><code># contributor:</code> snippet author</a></li>
</ul>
</li>
<li><a href="#sec-3">Template syntax</a>
<li><a href="#sec-3"></a>
<ul>
<li><a href="#sec-3-1">Plain Text</a></li>
<li><a href="#sec-3-2">Embedded Emacs-lisp code</a></li>
<li><a href="#sec-3-3">Tab stop fields</a></li>
<li><a href="#sec-3-4">Placeholder fields</a></li>
<li><a href="#sec-3-5">Mirrors</a></li>
<li><a href="#sec-3-6">Mirrors with transformations</a></li>
<li><a href="#sec-3-5"></a></li>
<li><a href="#sec-3-6">Mirrors with </a></li>
<li><a href="#sec-3-7">Fields with transformations</a></li>
<li><a href="#sec-3-8">Choosing fields value from a list and other tricks</a></li>
<li><a href="#sec-3-9">Nested placeholder fields</a></li>
@ -176,32 +196,31 @@ for the JavaScript code in this tag.
</div>
</div>
<div id="outline-container-1" class="outline-2">
<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1">Snippet development</h2>
<div class="outline-text-2" id="text-1">
</div>
<div id="outline-container-1-1" class="outline-3">
</div><div id="outline-container-sec-1-1" class="outline-3">
<h3 id="sec-1-1">Quickly finding snippets</h3>
<div class="outline-text-3" id="text-1-1">
<p>
There are some ways you can quickly find a snippet file:
There are some ways you can quickly find a snippet file or create a new one:
</p>
<ul>
<ul class="org-ul">
<li><code>M-x yas-new-snippet</code>
<p>
Prompts you for a snippet name, then tries to guess a suitable
directory to store it, prompting you for creation if it does not
exist. Finally, places you in a new buffer set to <code>snippet-mode</code> so
you can write your snippet.
Creates a new buffer with a template for making a new snippet.
The buffer is in <code>snippet-mode</code> (see below). When you are done
editing the new snippet, use <code>C-c C-c</code> to save it. This will
prompt for a directory two steps: first, the snippet table
(with a default based on the major mode you started in), and then
then snippet collection directory (defaults to the first directory
in <code>yas-snippet-dirs</code>. (See <a href="snippet-organization.html">Organizing Snippets</a>
for more detail on how snippets are organized.)
</p>
</li>
<li><code>M-x yas-find-snippets</code>
<p>
@ -210,38 +229,38 @@ There are some ways you can quickly find a snippet file:
directory searching logic is similar to <code>M-x yas-new-snippet</code>.
</p>
</li>
<li><code>M-x yas-visit-snippet-file</code>
<p>
Prompts you for possible snippet expansions like
<a href="snippet-reference.html#yas-insert-snippet"><code>yas-insert-snippet</code></a>, but instead of expanding it, takes you directly
to the snippet definition's file, if it exists.
</p></li>
</p>
</li>
</ul>
<p>
Once you find this file it will be set to <code>snippet-mode</code> (see ahead) and
you can start editing your snippet.
</p>
</div>
</div>
<div id="outline-container-1-2" class="outline-3">
<div id="outline-container-sec-1-2" class="outline-3">
<h3 id="sec-1-2">Using the <code>snippet-mode</code> major mode</h3>
<div class="outline-text-3" id="text-1-2">
<p>
There is a major mode <code>snippet-mode</code> to edit snippets. You can set the
buffer to this mode with <code>M-x snippet-mode</code>. It provides reasonably
useful syntax highlighting.
</p>
<p>
Two commands are defined in this mode:
</p>
<ul>
<ul class="org-ul">
<li><code>M-x yas-load-snippet-buffer</code>
<p>
@ -250,6 +269,7 @@ Two commands are defined in this mode:
<code>snippet-mode</code>.
</p>
</li>
<li><code>M-x yas-tryout-snippet</code>
<p>
@ -257,28 +277,26 @@ Two commands are defined in this mode:
the appropriate major mode and inserts the snippet there, so you
can see what it looks like. This is bound to <code>C-c C-t</code> while in
<code>snippet-mode</code>.
</p></li>
</p>
</li>
</ul>
<p>
There are also <i>snippets for writing snippets</i>: <code>vars</code>, <code>$f</code> and <code>$m</code>
:-).
</p>
</div>
</div>
</div>
<div id="outline-container-2" class="outline-2">
<div id="outline-container-sec-2" class="outline-2">
<h2 id="sec-2">File content</h2>
<div class="outline-text-2" id="text-2">
<p>
A file defining a snippet generally contains the template to be
expanded.
</p>
<p>
Optionally, if the file contains a line of <code># --</code>, the lines above it
count as comments, some of which can be <i>directives</i> (or meta data).
@ -286,30 +304,28 @@ Snippet directives look like <code># property: value</code> and tweak certain
snippets properties described below. If no <code># --</code> is found, the whole
file is considered the snippet template.
</p>
<p>
Here's a typical example:
</p>
<div class="org-src-container">
<pre class="example"># contributor: pluskid &lt;pluskid@gmail.com&gt;
<pre class="src src-snippet"># contributor: pluskid &lt;pluskid@gmail.com&gt;
# name: __...__
# --
__${init}__
</pre>
</div>
<p>
Here's a list of currently supported directives:
</p>
</div>
<div id="outline-container-2-1" class="outline-3">
<div id="outline-container-sec-2-1" class="outline-3">
<h3 id="sec-2-1"><code># key:</code> snippet abbrev</h3>
<div class="outline-text-3" id="text-2-1">
<p>
This is the probably the most important directive, it's the
abbreviation you type to expand a snippet just before hitting the key
@ -317,55 +333,49 @@ that runs <a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a
the snippet will not be expandable through the trigger mechanism.
</p>
</div>
</div>
<div id="outline-container-2-2" class="outline-3">
<div id="outline-container-sec-2-2" class="outline-3">
<h3 id="sec-2-2"><code># name:</code> snippet name</h3>
<div class="outline-text-3" id="text-2-2">
<p>
This is a one-line description of the snippet. It will be displayed in
the menu. It's a good idea to select a descriptive name for a snippet --
the menu. It's a good idea to select a descriptive name for a snippet &#x2013;
especially distinguishable among similar snippets.
</p>
<p>
If you omit this name it will default to the file name the snippet was
loaded from.
</p>
</div>
</div>
<div id="outline-container-2-3" class="outline-3">
<div id="outline-container-sec-2-3" class="outline-3">
<h3 id="sec-2-3"><code># condition:</code> snippet condition</h3>
<div class="outline-text-3" id="text-2-3">
<p>
This is a piece of Emacs-lisp code. If a snippet has a condition, then
it will only be expanded when the condition code evaluate to some
non-nil value.
</p>
<p>
See also <a href="snippet-reference.html#yas-buffer-local-condition"><code>yas-buffer-local-condition</code></a> in
<a href="./snippet-expansion.html">Expanding snippets</a>
</p>
</div>
</div>
<div id="outline-container-2-4" class="outline-3">
<div id="outline-container-sec-2-4" class="outline-3">
<h3 id="sec-2-4"><code># group:</code> snippet menu grouping</h3>
<div class="outline-text-3" id="text-2-4">
<p>
When expanding/visiting snippets from the menu-bar menu, snippets for a
given mode can be grouped into sub-menus . This is useful if one has too
many snippets for a mode which will make the menu too long.
</p>
<p>
The <code># group:</code> property only affect menu construction (See
<a href="./snippet-menu.html">the YASnippet menu</a>) and the same effect can be
@ -373,6 +383,7 @@ achieved by grouping snippets into sub-directories and using the
<code>.yas-make-groups</code> special file (for this see
<a href="./snippet-organization.html">Organizing Snippets</a>
</p>
<p>
Refer to the bundled snippets for <code>ruby-mode</code> for examples on the
<code># group:</code> directive. Group can also be nested, e.g.
@ -380,22 +391,22 @@ Refer to the bundled snippets for <code>ruby-mode</code> for examples on the
group which is under the <code>control structure</code> group.
</p>
</div>
</div>
<div id="outline-container-2-5" class="outline-3">
<div id="outline-container-sec-2-5" class="outline-3">
<h3 id="sec-2-5"><code># expand-env:</code> expand environment</h3>
<div class="outline-text-3" id="text-2-5">
<p>
This is another piece of Emacs-lisp code in the form of a <code>let</code> <i>varlist form</i>, i.e. a list of lists assigning values to variables. It can be
This is another piece of Emacs-lisp code in the form of a <code>let</code> <i>varlist
form</i>, i.e. a list of lists assigning values to variables. It can be
used to override variable values while the snippet is being expanded.
</p>
<p>
Interesting variables to override are <a href="snippet-reference.html#yas-wrap-around-region"><code>yas-wrap-around-region</code></a> and
<a href="snippet-reference.html#yas-indent-line"><code>yas-indent-line</code></a> (see <a href="./snippet-expansion.html">Expanding Snippets</a>).
</p>
<p>
As an example, you might normally have <a href="snippet-reference.html#yas-indent-line"><code>yas-indent-line</code></a> set to '<code>auto</code>
and <a href="snippet-reference.html#yas-wrap-around-region"><code>yas-wrap-around-region</code></a> set to <code>t</code>, but for this particularly
@ -403,9 +414,9 @@ brilliant piece of ASCII art these values would mess up your hard work.
You can then use:
</p>
<div class="org-src-container">
<pre class="example"># name: ASCII home
<pre class="src src-snippet"># name: ASCII home
# expand-env: ((yas-indent-line 'fixed) (yas-wrap-around-region 'nil))
# --
welcome to my
@ -419,36 +430,33 @@ You can then use:
| | | |
+--+-+--+
</pre>
</div>
</div>
</div>
</div>
<div id="outline-container-2-6" class="outline-3">
<div id="outline-container-sec-2-6" class="outline-3">
<h3 id="sec-2-6"><code># binding:</code> direct keybinding</h3>
<div class="outline-text-3" id="text-2-6">
<p>
You can use this directive to expand a snippet directly from a normal
Emacs keybinding. The keybinding will be registered in the Emacs keymap
named after the major mode the snippet is active for.
</p>
<p>
Additionally a variable <a href="snippet-reference.html#yas-prefix"><code>yas-prefix</code></a> is set to to the prefix argument
you normally use for a command. This allows for small variations on the
same snippet, for example in this "html-mode" snippet.
</p>
<div class="org-src-container">
<pre class="example"># name: &lt;p&gt;...&lt;/p&gt;
<pre class="src src-snippet"># name: &lt;p&gt;...&lt;/p&gt;
# binding: C-c C-c C-m
# --
&lt;p&gt;`(when yas-prefix "\n")`$0`(when yas-prefix "\n")`&lt;/p&gt;
</pre>
</div>
<p>
This binding will be recorded in the keymap <code>html-mode-map</code>. To expand a
@ -456,73 +464,59 @@ paragraph tag newlines, just press <code>C-u C-c C-c C-m</code>. Omitting the <c
will expand the paragraph tag without newlines.
</p>
</div>
</div>
<div id="outline-container-2-7" class="outline-3">
<div id="outline-container-sec-2-7" class="outline-3">
<h3 id="sec-2-7"><code># type:</code> <code>snippet</code> or <code>command</code></h3>
<div class="outline-text-3" id="text-2-7">
<p>
If the <code>type</code> directive is set to <code>command</code>, the body of the snippet
is interpreted as lisp code to be evaluated when the snippet is
triggered.
</p>
<p>
If it's <code>snippet</code> (the default when there is no <code>type</code> directive), the
snippet body will be parsed according to the <a href="#sec-3">Template Syntax</a>,
snippet body will be parsed according to the <i>Template Syntax</i>,
described below.
</p>
</div>
</div>
<div id="outline-container-2-8" class="outline-3">
<div id="outline-container-sec-2-8" class="outline-3">
<h3 id="sec-2-8"><code># uuid:</code> unique identifier</h3>
<div class="outline-text-3" id="text-2-8">
<p>
This provides to a way to identify a snippet, independent of its name.
Loading a second snippet file with the same uuid would replace the
previous snippet.
</p>
</div>
</div>
<div id="outline-container-2-9" class="outline-3">
<div id="outline-container-sec-2-9" class="outline-3">
<h3 id="sec-2-9"><code># contributor:</code> snippet author</h3>
<div class="outline-text-3" id="text-2-9">
<p>
This is optional and has no effect whatsoever on snippet functionality,
but it looks nice.
</p>
</div>
</div>
</div>
<div id="outline-container-3" class="outline-2">
<h2 id="sec-3"><span class="target">Template syntax</span></h2>
<div id="outline-container-sec-3" class="outline-2">
<h2 id="sec-3"><a id="Template-syntax" name="Template-syntax"></a></h2>
<div class="outline-text-2" id="text-3">
<p>
The syntax of the snippet template is simple but powerful, very similar
to TextMate's.
</p>
</div>
<div id="outline-container-3-1" class="outline-3">
<div id="outline-container-sec-3-1" class="outline-3">
<h3 id="sec-3-1">Plain Text</h3>
<div class="outline-text-3" id="text-3-1">
<p>
Arbitrary text can be included as the content of a template. They are
usually interpreted as plain text, except <code>$</code> and <code>`</code>. You need to
@ -530,35 +524,33 @@ use <code>\</code> to escape them: <code>\$</code> and <code>\`</code>. The <cod
escaped as <code>\\</code> sometimes.
</p>
</div>
</div>
<div id="outline-container-3-2" class="outline-3">
<div id="outline-container-sec-3-2" class="outline-3">
<h3 id="sec-3-2">Embedded Emacs-lisp code</h3>
<div class="outline-text-3" id="text-3-2">
<p>
Emacs-Lisp code can be embedded inside the template, written inside
back-quotes (<code>`</code>). The lisp forms are evaluated when the snippet is
being expanded. The evaluation is done in the same buffer as the
snippet being expanded.
</p>
<p>
Here's an example for c-mode` to calculate the header file guard
dynamically:
</p>
<div class="org-src-container">
<pre class="example">#ifndef ${1:_`(upcase (file-name-nondirectory (file-name-sans-extension (buffer-file-name))))`_H_}
<pre class="src src-snippet">#ifndef ${1:_`(upcase (file-name-nondirectory (file-name-sans-extension (buffer-file-name))))`_H_}
#define $1
$0
#endif /* $1 */
</pre>
</div>
<p>
From version 0.6, snippets expansions are run with some special
@ -566,13 +558,13 @@ Emacs-lisp variables bound. One of this is <a href="snippet-reference.html#yas-s
therefore define a snippet like:
</p>
<div class="org-src-container">
<pre class="example">for ($1;$2;$3) {
<pre class="src src-snippet">for ($1;$2;$3) {
`yas-selected-text`$0
}
</pre>
</div>
<p>
to "wrap" the selected region inside your recently inserted snippet.
@ -580,14 +572,11 @@ Alternatively, you can also customize the variable
<a href="snippet-reference.html#yas-wrap-around-region"><code>yas-wrap-around-region</code></a> to <code>t</code> which will do this automatically.
</p>
</div>
</div>
<div id="outline-container-3-3" class="outline-3">
<div id="outline-container-sec-3-3" class="outline-3">
<h3 id="sec-3-3">Tab stop fields</h3>
<div class="outline-text-3" id="text-3-3">
<p>
Tab stops are fields that you can navigate back and forth by <code>TAB</code> and
<code>S-TAB</code>. They are written by <code>$</code> followed with a number. <code>$0</code> has the
@ -595,81 +584,72 @@ special meaning of the <i>exit point</i> of a snippet. That is the last place
to go when you've traveled all the fields. Here's a typical example:
</p>
<div class="org-src-container">
<pre class="example">&lt;div$1&gt;
<pre class="src src-snippet">&lt;div$1&gt;
$0
&lt;/div&gt;
</pre>
</div>
</div>
<div id="outline-container-3-4" class="outline-3">
</div>
<div id="outline-container-sec-3-4" class="outline-3">
<h3 id="sec-3-4">Placeholder fields</h3>
<div class="outline-text-3" id="text-3-4">
<p>
Tab stops can have default values &ndash; a.k.a placeholders. The syntax is
Tab stops can have default values &#x2013; a.k.a placeholders. The syntax is
like this:
</p>
<div class="org-src-container">
<pre class="example">${N:default value}
<pre class="src src-snippet">${N:default value}
</pre>
</div>
<p>
They acts as the default value for a tab stop. But when you firstly
type at a tab stop, the default value will be replaced by your typing.
The number can be omitted if you don't want to create <a href="#sec-3-5">mirrors</a> or
<a href="#sec-3-6">transformations</a> for this field.
The number can be omitted if you don't want to create <i>mirrors</i> or
<a href="#transformations">3.6</a> for this field.
</p>
</div>
</div>
<div id="outline-container-3-5" class="outline-3">
<h3 id="sec-3-5"><span class="target">Mirrors</span></h3>
<div id="outline-container-sec-3-5" class="outline-3">
<h3 id="sec-3-5"><a id="Mirrors" name="Mirrors"></a></h3>
<div class="outline-text-3" id="text-3-5">
<p>
We refer the tab stops with placeholders as a <i>field</i>. A field can have
mirrors. Its mirrors will get updated when you change the text of a
field. Here's an example:
</p>
<div class="org-src-container">
<pre class="example">\begin{${1:enumerate}}
<pre class="src src-snippet">\begin{${1:enumerate}}
$0
\end{$1}
</pre>
</div>
<p>
When you type "document" at <code>${1:enumerate}</code>, the word "document" will
also be inserted at <code>\end{$1}</code>. The best explanation is to see the
screencast(<a href="http://www.youtube.com/watch?v=vOj7btx3ATg">YouTube</a> or <a href="http://yasnippet.googlecode.com/files/yasnippet.avi">avi video</a>).
</p>
<p>
The tab stops with the same number to the field act as its mirrors. If
none of the tab stops has an initial value, the first one is selected as
the field and others mirrors.
</p>
</div>
</div>
<div id="outline-container-3-6" class="outline-3">
<h3 id="sec-3-6">Mirrors with <span class="target">transformations</span></h3>
<div id="outline-container-sec-3-6" class="outline-3">
<h3 id="sec-3-6">Mirrors with <a id="transformations" name="transformations"></a></h3>
<div class="outline-text-3" id="text-3-6">
<p>
If the value of an <code>${n:</code>-construct starts with and contains <code>$(</code>,
then it is interpreted as a mirror for field <code>n</code> with a
@ -680,9 +660,9 @@ content (string) contained in the field <code>n</code>. Here's an example for
Objective-C:
</p>
<div class="org-src-container">
<pre class="example">- (${1:id})${2:foo}
<pre class="src src-snippet">- (${1:id})${2:foo}
{
return $2;
}
@ -694,7 +674,7 @@ Objective-C:
}
$0
</pre>
</div>
<p>
Look at <code>${2:$(capitalize yas-text)}</code>, it is a mirror with
@ -705,86 +685,85 @@ transformed text. So in this example, if you type "baz" in the field,
the transformed text will be "Baz". This example is also available in
the screencast.
</p>
<p>
Another example is for <code>rst-mode</code>. In reStructuredText, the document
title can be some text surrounded by "===" below and above. The "==="
title can be some text surrounded by "<code>=</code>" below and above. The "<code>=</code>"
should be at least as long as the text. So
</p>
<div class="org-src-container">
<pre class="example">=====
<pre class="src src-rst">=====
Title
=====
</pre>
</div>
<p>
is a valid title but
</p>
<div class="org-src-container">
<pre class="example">===
<pre class="src src-rst">===
Title
===
</pre>
</div>
<p>
is not. Here's an snippet for rst title:
</p>
<div class="org-src-container">
<pre class="example">${1:$(make-string (string-width yas-text) ?\=)}
<pre class="src src-snippet">${1:$(make-string (string-width yas-text) ?\=)}
${1:Title}
${1:$(make-string (string-width yas-text) ?\=)}
$0
</pre>
</div>
</div>
</div>
</div>
<div id="outline-container-3-7" class="outline-3">
<div id="outline-container-sec-3-7" class="outline-3">
<h3 id="sec-3-7">Fields with transformations</h3>
<div class="outline-text-3" id="text-3-7">
<p>
From version 0.6 on, you can also have lisp transformation inside
fields. These work mostly mirror transformations but are evaluated when
you first enter the field, after each change you make to the field and
also just before you exit the field.
</p>
<p>
The syntax is also a tiny bit different, so that the parser can
distinguish between fields and mirrors. In the following example
</p>
<pre class="example">
#define "${1:mydefine$(upcase yas-text)}"
</pre>
<p>
<code>mydefine</code> gets automatically upcased to <code>MYDEFINE</code> once you enter the
field. As you type text, it gets filtered through the transformation
every time.
</p>
<p>
Note that to tell this kind of expression from a mirror with a
transformation, YASnippet needs extra text between the <code>:</code> and the
transformation's <code>$</code>. If you don't want this extra-text, you can use two
<code>$</code>'s instead.
</p>
<pre class="example">
#define "${1:$$(upcase yas-text)}"
</pre>
<p>
Please note that as soon as a transformation takes place, it changes the
value of the field and sets it its internal modification state to
@ -792,14 +771,11 @@ value of the field and sets it its internal modification state to
does not take place. This is by design.
</p>
</div>
</div>
<div id="outline-container-3-8" class="outline-3">
<div id="outline-container-sec-3-8" class="outline-3">
<h3 id="sec-3-8">Choosing fields value from a list and other tricks</h3>
<div class="outline-text-3" id="text-3-8">
<p>
As mentioned, the field transformation is invoked just after you enter
the field, and with some useful variables bound, notably
@ -807,80 +783,79 @@ the field, and with some useful variables bound, notably
can place a transformation in the primary field that lets you select
default values for it.
</p>
<p>
The <a href="snippet-reference.html#yas-choose-value"><code>yas-choose-value</code></a> does this work for you. For example:
</p>
<div class="org-src-container">
<pre class="example">&lt;div align="${2:$$(yas-choose-value '("right" "center" "left"))}"&gt;
<pre class="src src-snippet">&lt;div align="${2:$$(yas-choose-value '("right" "center" "left"))}"&gt;
$0
&lt;/div&gt;
</pre>
</div>
<p>
See the definition of <a href="snippet-reference.html#yas-choose-value"><code>yas-choose-value</code></a> to see how it was written using
the two variables.
</p>
<p>
Here's another use, for LaTeX-mode, which calls reftex-label just as you
enter snippet field 2. This one makes use of <a href="snippet-reference.html#yas-modified-p"><code>yas-modified-p</code></a> directly.
</p>
<div class="org-src-container">
<pre class="example">\section{${1:"Titel der Tour"}}%
<pre class="src src-snippet">\section{${1:"Titel der Tour"}}%
\index{$1}%
\label{{2:"waiting for reftex-label call..."$(unless yas-modified-p (reftex-label nil 'dont-
insert))}}%
</pre>
</div>
<p>
The function <a href="snippet-reference.html#yas-verify-value"><code>yas-verify-value</code></a> has another neat trick, and makes use
of <a href="snippet-reference.html#yas-moving-away-p"><code>yas-moving-away-p</code></a>. Try it and see! Also, check out this <a href="http://groups.google.com/group/smart-snippet/browse_thread/thread/282a90a118e1b662">thread</a>
</p>
</div>
</div>
<div id="outline-container-3-9" class="outline-3">
<div id="outline-container-sec-3-9" class="outline-3">
<h3 id="sec-3-9">Nested placeholder fields</h3>
<div class="outline-text-3" id="text-3-9">
<p>
From version 0.6 on, you can also have nested placeholders of the type:
</p>
<div class="org-src-container">
<pre class="example">&lt;div${1: id="${2:some_id}"}&gt;$0&lt;/div&gt;
<pre class="src src-snippet">&lt;div${1: id="${2:some_id}"}&gt;$0&lt;/div&gt;
</pre>
</div>
<p>
This allows you to choose if you want to give this <code>div</code> an <code>id</code>
attribute. If you tab forward after expanding it will let you change
"some_id" to whatever you like. Alternatively, you can just press <code>C-d</code>
"some\<sub>id</sub>" to whatever you like. Alternatively, you can just press <code>C-d</code>
(which executes <a href="snippet-reference.html#yas-skip-and-clear-or-delete-char"><code>yas-skip-and-clear-or-delete-char</code></a>) and go straight to
the exit marker.
</p>
<p>
By the way, <code>C-d</code> will only clear the field if you cursor is at the
beginning of the field <i>and</i> it hasn't been changed yet. Otherwise, it
performs the normal Emacs <code>delete-char</code> command.
</p></div>
</div>
</div>
</div>
<div id="postamble">
<hr><p class='creator'>Generated by <a href="http://orgmode.org">Org</a> version 7.9.3f with <a href="http://www.gnu.org/software/emacs/">Emacs</a> version 24 on 2014-10-01T21:16+0100 from 08b044e559cc350c6e7142d088ec2d4a82e378cb
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a></p>
</div>
</div>
</div>
</div>
<div id="postamble" class="status">
<hr><p class='creator'>Generated by <a href="http://www.gnu.org/software/emacs/">Emacs</a> 24.4.91.1 (<a href="http://orgmode.org">Org</a> mode 8.2.10) on from 7703a55ac416a131dec45fa6a1e0ec1e31adf760
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

344
snippet-expansion.html
View File

@ -1,39 +1,61 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Expanding snippets</title>
<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
<meta name="title" content="Expanding snippets"/>
<!-- 2015-09-24 Thu 21:14 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="generator" content="Org-mode" />
<meta name="generated" content="2014-10-01T21:16+0100"/>
<meta name="author" content=""/>
<meta name="description" content=""/>
<meta name="keywords" content=""/>
<style type="text/css">
<!--/*--><![CDATA[/*><!--*/
html { font-family: Times, serif; font-size: 12pt; }
.title { text-align: center; }
.todo { color: red; }
.todo { font-family: monospace; color: red; }
.done { color: green; }
.tag { background-color: #add8e6; font-weight:normal }
.target { }
.tag { background-color: #eee; font-family: monospace;
padding: 2px; font-size: 80%; font-weight: normal; }
.timestamp { color: #bebebe; }
.timestamp-kwd { color: #5f9ea0; }
.right { margin-left: auto; margin-right: 0px; text-align: right; }
.left { margin-left: 0px; margin-right: auto; text-align: left; }
.center { margin-left: auto; margin-right: auto; text-align: center; }
p.verse { margin-left: 3% }
.underline { text-decoration: underline; }
#postamble p, #preamble p { font-size: 90%; margin: .2em; }
p.verse { margin-left: 3%; }
pre {
border: 1pt solid #AEBDCC;
background-color: #F3F5F7;
padding: 5pt;
font-family: courier, monospace;
font-size: 90%;
border: 1px solid #ccc;
box-shadow: 3px 3px 3px #eee;
padding: 8pt;
font-family: monospace;
overflow: auto;
margin: 1.2em;
}
pre.src {
position: relative;
overflow: visible;
padding-top: 1.2em;
}
pre.src:before {
display: none;
position: absolute;
background-color: white;
top: -10px;
right: 10px;
padding: 3px;
border: 1px solid black;
}
pre.src:hover:before { display: inline;}
pre.src-sh:before { content: 'sh'; }
pre.src-bash:before { content: 'sh'; }
pre.src-emacs-lisp:before { content: 'Emacs Lisp'; }
pre.src-R:before { content: 'R'; }
pre.src-perl:before { content: 'Perl'; }
pre.src-java:before { content: 'Java'; }
pre.src-sql:before { content: 'SQL'; }
table { border-collapse:collapse; }
caption.t-above { caption-side: top; }
caption.t-bottom { caption-side: bottom; }
td, th { vertical-align:top; }
th.right { text-align: center; }
th.left { text-align: center; }
@ -42,22 +64,27 @@
td.left { text-align: left; }
td.center { text-align: center; }
dt { font-weight: bold; }
div.figure { padding: 0.5em; }
div.figure p { text-align: center; }
div.inlinetask {
.footpara:nth-child(2) { display: inline; }
.footpara { display: block; }
.footdef { margin-bottom: 1em; }
.figure { padding: 1em; }
.figure p { text-align: center; }
.inlinetask {
padding: 10px;
border: 2px solid gray;
margin: 10px;
background: #ffffcc;
}
#org-div-home-and-up
{ text-align: right; font-size: 70%; white-space: nowrap; }
textarea { overflow-x: auto; }
.linenr { font-size: smaller }
.code-highlighted { background-color: #ffff00; }
.org-info-js_info-navigation { border-style: none; }
#org-info-js_console-label { font-size:10px; font-weight:bold;
white-space:nowrap; }
.org-info-js_search-highlight {background-color:#ffff00; color:#000000;
font-weight:bold; }
#org-info-js_console-label
{ font-size: 10px; font-weight: bold; white-space: nowrap; }
.org-info-js_search-highlight
{ background-color: #ffff00; color: #000000; font-weight: bold; }
/*]]>*/-->
</style>
<link rel="stylesheet" type="text/css" href="stylesheets/manual.css" />
@ -107,11 +134,9 @@ for the JavaScript code in this tag.
}
/*]]>*///-->
</script>
</head>
<body>
<div id="preamble">
<div id="preamble" class="status">
<nav>
<ul class="center">
<li> <a href="index.html">Overview</a>
@ -128,21 +153,9 @@ for the JavaScript code in this tag.
<li> <a href="snippet-reference.html">Reference</a>
</ul>
</nav>
</div>
<div id="content">
<h1 class="title">Expanding snippets</h1>
<p>
This section describes how YASnippet chooses snippets for expansion at point.
</p>
<p>
Maybe, you'll want some snippets to be expanded in a particular
mode, or only under certain conditions, or be prompted using
</p>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
@ -178,104 +191,109 @@ for the JavaScript code in this tag.
</ul>
</div>
</div>
<p>
This section describes how YASnippet chooses snippets for expansion at point.
</p>
<div id="outline-container-1" class="outline-2">
<p>
Maybe, you'll want some snippets to be expanded in a particular
mode, or only under certain conditions, or be prompted using
</p>
<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1">Triggering expansion</h2>
<div class="outline-text-2" id="text-1">
<p>
You can use YASnippet to expand snippets in different ways:
</p>
<ul>
<ul class="org-ul">
<li>When <a href="snippet-reference.html#yas-minor-mode"><code>yas-minor-mode</code></a> is active:
<ul>
<ul class="org-ul">
<li>Type the snippet's <b>trigger key</b> then calling <a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a>
(bound to <code>TAB</code> by default).
</li>
<li>Use the snippet's <b>keybinding</b>.
</li>
<li>By expanding directly from the "YASnippet" menu in the menu-bar
</li>
<li>Using hippie-expand
<li>Using hippie-expand
</li>
</ul>
</li>
<li>Call <a href="snippet-reference.html#yas-insert-snippet"><code>yas-insert-snippet</code></a> (use <code>M-x yas-insert-snippet=</code> or its
keybinding <code>C-c &amp; C-s</code>).
</li>
<li>Use m2m's excellent auto-complete
TODO: example for this
</li>
<li>Expanding from emacs-lisp code
</li>
</ul>
</div>
<div id="outline-container-1-1" class="outline-3">
<div id="outline-container-sec-1-1" class="outline-3">
<h3 id="sec-1-1">Trigger key</h3>
<div class="outline-text-3" id="text-1-1">
<p>
<a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a> tries to expand a <i>snippet abbrev</i> (also known as
<i>snippet key</i>) before point.
</p>
<p>
When <a href="snippet-reference.html#yas-minor-mode"><code>yas-minor-mode</code></a> is enabled, it binds <a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a> to <code>TAB</code> and
<code>&lt;tab&gt;</code> by default, however, you can freely set it to some other key:
</p>
<div class="org-src-container">
<pre class="example">(define-key yas-minor-mode-map (kbd "&lt;tab&gt;") nil)
<pre class="src src-emacs-lisp">(define-key yas-minor-mode-map (kbd "&lt;tab&gt;") nil)
(define-key yas-minor-mode-map (kbd "TAB") nil)
(define-key yas-minor-mode-map (kbd "&lt;the new key&gt;") 'yas-expand)
</pre>
</div>
<p>
To enable the YASnippet minor mode in all buffers globally use the
command <a href="snippet-reference.html#yas-global-mode"><code>yas-global-mode</code></a>. This will enable a modeline indicator,
<code>yas</code>:
</p>
<p>
<img src="./images/minor-mode-indicator.png" alt="./images/minor-mode-indicator.png" />
<div class="figure">
<p><img src="./images/minor-mode-indicator.png" alt="minor-mode-indicator.png" />
</p>
</div>
<p>
When you use <a href="snippet-reference.html#yas-global-mode"><code>yas-global-mode</code></a> you can also selectively disable
YASnippet in some buffers by setting the buffer-local variable
<a href="snippet-reference.html#yas-dont-active"><code>yas-dont-active</code></a> in the buffer's mode hook.
</p>
</div>
<div id="outline-container-1-1-1" class="outline-4">
<div id="outline-container-sec-1-1-1" class="outline-4">
<h4 id="sec-1-1-1">Fallback behaviour</h4>
<div class="outline-text-4" id="text-1-1-1">
<p>
<a href="snippet-reference.html#yas-fallback-behaviour"><code>yas-fallback-behaviour</code></a> is a customization variable bound to
'<code>call-other-command</code> by default. If <a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a> failed to find any
suitable snippet to expand, it will disable the minor mode temporarily
and find if there's any other command bound to the same key.
</p>
<p>
If found, the command will be called. Usually this works very well
&ndash;when there's a snippet, expand it, otherwise, call whatever command
&#x2013;when there's a snippet, expand it, otherwise, call whatever command
originally bind to the trigger key.
</p>
<p>
However, you can change this behavior by customizing the
<a href="snippet-reference.html#yas-fallback-behavior"><code>yas-fallback-behavior</code></a> variable. If you set this variable to
@ -284,63 +302,53 @@ However, you can change this behavior by customizing the
</p>
</div>
</div>
</div>
<div id="outline-container-1-2" class="outline-3">
<div id="outline-container-sec-1-2" class="outline-3">
<h3 id="sec-1-2">Insert at point</h3>
<div class="outline-text-3" id="text-1-2">
<p>
The command <a href="#yas-insert-snippet"><code>yas-insert-snippet</code></a> lets you insert snippets at point
The command <i><code>yas-insert-snippet</code></i> lets you insert snippets at point
<i>for your current major mode</i>. It prompts you for the snippet key
first, and then for a snippet template if more than one template
exists for the same key.
</p>
<p>
The list presented contains the snippets that can be inserted at point,
according to the condition system. If you want to see all applicable
snippets for the major mode, prefix this command with <code>C-u</code>.
</p>
<p>
The prompting methods used are again controlled by
<a href="snippet-reference.html#yas-prompt-functions"><code>yas-prompt-functions</code></a>.
</p>
</div>
</div>
<div id="outline-container-1-3" class="outline-3">
<div id="outline-container-sec-1-3" class="outline-3">
<h3 id="sec-1-3">Snippet keybinding</h3>
<div class="outline-text-3" id="text-1-3">
<p>
See the section of the <code># binding:</code> directive in
<a href="./snippet-development.html">Writing Snippets</a>.
</p>
</div>
</div>
<div id="outline-container-1-4" class="outline-3">
<div id="outline-container-sec-1-4" class="outline-3">
<h3 id="sec-1-4">Expanding from the menu</h3>
<div class="outline-text-3" id="text-1-4">
<p>
See <a href="./snippet-menu.html">the YASnippet Menu</a>.
</p>
</div>
</div>
<div id="outline-container-1-5" class="outline-3">
<div id="outline-container-sec-1-5" class="outline-3">
<h3 id="sec-1-5">Expanding with <code>hippie-expand</code></h3>
<div class="outline-text-3" id="text-1-5">
<p>
To integrate with <code>hippie-expand</code>, just put
<a href="snippet-reference.html#yas-hippie-try-expand"><code>yas-hippie-try-expand</code></a> in
@ -349,70 +357,65 @@ when placed at the top of the list, but it can be put anywhere you
prefer.
</p>
</div>
</div>
<div id="outline-container-1-6" class="outline-3">
<div id="outline-container-sec-1-6" class="outline-3">
<h3 id="sec-1-6">Expanding from emacs-lisp code</h3>
<div class="outline-text-3" id="text-1-6">
<p>
Sometimes you might want to expand a snippet directly from you own
elisp code. You should call
<a href="snippet-reference.html#yas-expand-snippet"><code>yas-expand-snippet</code></a> instead of
<a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a> in this case.
Sometimes you might want to expand a snippet directly from your own
elisp code. You should call <a href="snippet-reference.html#yas-expand-snippet"><code>yas-expand-snippet</code></a> instead of
<a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a> in this case. <a href="snippet-reference.html#yas-expand-snippet"><code>yas-expand-snippet</code></a> takes a string in
snippet template syntax, if you want to expand an existing snippet you
can use <a href="snippet-reference.html#yas-lookup-snippet"><code>yas-lookup-snippet</code></a> to find its contents by name.
</p>
<p>
As with expanding from the menubar, the condition system and multiple
candidates doesn't affect expansion. In fact, expanding from the
YASnippet menu has the same effect of evaluating the follow code:
candidates doesn't affect expansion (the condition system does affect
<a href="snippet-reference.html#yas-lookup-snippet"><code>yas-lookup-snippet</code></a> though). In fact, expanding from the YASnippet
menu has the same effect of evaluating the follow code:
</p>
<div class="org-src-container">
<pre class="example">(yas-expand-snippet template)
<pre class="src src-emacs-lisp">(yas-expand-snippet template)
</pre>
</div>
<p>
See the internal documentation on <a href="snippet-reference.html#yas-expand-snippet"><code>yas-expand-snippet</code></a> for more
information.
See the internal documentation on <a href="snippet-reference.html#yas-expand-snippet"><code>yas-expand-snippet</code></a> and
<a href="snippet-reference.html#yas-lookup-snippet"><code>yas-lookup-snippet</code></a> for more information.
</p>
</div>
</div>
</div>
<div id="outline-container-2" class="outline-2">
<div id="outline-container-sec-2" class="outline-2">
<h2 id="sec-2">Controlling expansion</h2>
<div class="outline-text-2" id="text-2">
</div>
<div id="outline-container-2-1" class="outline-3">
</div><div id="outline-container-sec-2-1" class="outline-3">
<h3 id="sec-2-1">Eligible snippets</h3>
<div class="outline-text-3" id="text-2-1">
<p>
YASnippet does quite a bit of filtering to find out which snippets are
eligible for expanding at the current cursor position.
</p>
<p>
In particular, the following things matter:
</p>
<ul>
<ul class="org-ul">
<li>Currently loaded snippets tables
<p>
These are loaded from a directory hierarchy in your file system. See
<a href="./snippet-organization.html">Organizing Snippets</a>. They are named
after major modes like <code>html-mode</code>, <code>ruby-mode</code>, etc&hellip;
after major modes like <code>html-mode</code>, <code>ruby-mode</code>, etc&#x2026;
</p>
</li>
<li>Major mode of the current buffer
<p>
@ -422,6 +425,7 @@ In particular, the following things matter:
mode you are in currently.
</p>
</li>
<li>Parent tables
<p>
@ -430,28 +434,28 @@ In particular, the following things matter:
eligible tables are also considered.
</p>
</li>
<li>Buffer-local list of extra modes
<p>
Use <a href="#yas-activate-extra-mode"><code>yas-activate-extra-mode</code></a> to
Use <i><code>yas-activate-extra-mode</code></i> to
consider snippet tables whose name does not correspond to a major
mode. Typically, you call this from a minor mode hook, for example:
</p></li>
</p>
</li>
</ul>
<div class="org-src-container">
<pre class="example">;; When entering rinari-minor-mode, consider also the snippets in the
<pre class="src src-emacs-lisp">;; When entering rinari-minor-mode, consider also the snippets in the
;; snippet table "rails-mode"
(add-hook 'rinari-minor-mode-hook
#'(lambda ()
(yas-activate-extra-mode 'rails-mode)))
</pre>
</div>
<ul>
<ul class="org-ul">
<li>Buffer-local
<a href="snippet-reference.html#yas-buffer-local-condition"><code>yas-buffer-local-condition</code></a>
variable
@ -460,26 +464,23 @@ In particular, the following things matter:
This variable provides finer grained control over what snippets can
be expanded in the current buffer. The default value won't let you
expand snippets inside comments or string literals for example. See
The condition system_ for more info.
</p></li>
The condition system\_ for more info.
</p>
</li>
</ul>
</div>
</div>
</div>
<div id="outline-container-2-2" class="outline-3">
<div id="outline-container-sec-2-2" class="outline-3">
<h3 id="sec-2-2">The condition system</h3>
<div class="outline-text-3" id="text-2-2">
<p>
Consider this scenario: you are an old Emacs hacker. You like the
abbrev-way and bind <a href="snippet-reference.html#yas-expand"><code>yas-expand</code></a> to <code>SPC</code>. However, you don't want
<code>if</code> to be expanded as a snippet when you are typing in a comment
block or a string (e.g. in <code>python-mode</code>).
</p>
<p>
If you use the <code># condition :</code> directive (see
<a href="./snippet-development.html">Writing Snippets</a>) you could just specify
@ -489,83 +490,85 @@ snippets is just boring. So has a buffer local variable
<a href="snippet-reference.html#yas-buffer-local-condition"><code>yas-buffer-local-condition</code></a>. You can set this variable to
<code>(not (python-in-string/comment))</code> in <code>python-mode-hook</code>.
</p>
<p>
Then, what if you really want some particular snippet to expand even
inside a comment? Set <a href="snippet-reference.html#yas-buffer-local-condition"><code>yas-buffer-local-condition</code></a> like this
</p>
<div class="org-src-container">
<pre class="example">(add-hook 'python-mode-hook
<pre class="src src-emacs-lisp">(add-hook 'python-mode-hook
(lambda ()
(setq yas-buffer-local-condition
'(if (python-in-string/comment)
'(require-snippet-condition . force-in-comment)
t))))
</pre>
</div>
<p>
&hellip; and specify the condition for a snippet that you're going to expand
&#x2026; and specify the condition for a snippet that you're going to expand
in comment to be evaluated to the symbol <code>force-in-comment</code>. Then it can
be expanded as you expected, while other snippets like <code>if</code> still can't
expanded in comment.
</p>
<p>
For the full set of possible conditions, see the documentation for
<a href="snippet-reference.html#yas-buffer-local-condition"><code>yas-buffer-local-condition</code></a>.
</p>
</div>
</div>
<div id="outline-container-2-3" class="outline-3">
<div id="outline-container-sec-2-3" class="outline-3">
<h3 id="sec-2-3">Multiples snippet with the same key</h3>
<div class="outline-text-3" id="text-2-3">
<p>
The rules outlined <a href="#sec-2-1">above</a> can return more than
The rules outlined <i>above</i> can return more than
one snippet to be expanded at point.
</p>
<p>
When there are multiple candidates, YASnippet will let you select one.
The UI for selecting multiple candidate can be customized through
<a href="snippet-reference.html#yas-prompt-functions"><code>yas-prompt-functions</code></a> , which defines your preferred methods of being
prompted for snippets.
</p>
<p>
You can customize it with
<code>M-x customize-variable RET yas-prompt-functions RET</code>. Alternatively you
can put in your emacs-file:
</p>
<div class="org-src-container">
<pre class="example">(setq yas-prompt-functions '(yas-x-prompt yas-dropdown-prompt))
<pre class="src src-emacs-lisp">(setq yas-prompt-functions '(yas-x-prompt yas-dropdown-prompt))
</pre>
</div>
<p>
Currently there are some alternatives solution with YASnippet.
</p>
</div>
<div id="outline-container-2-3-1" class="outline-4">
<div id="outline-container-sec-2-3-1" class="outline-4">
<h4 id="sec-2-3-1">Use the X window system</h4>
<div class="outline-text-4" id="text-2-3-1">
<p>
<img src="./images/x-menu.png" alt="./images/x-menu.png" />
<div class="figure">
<p><img src="./images/x-menu.png" alt="x-menu.png" />
</p>
</div>
<p>
The function <a href="snippet-reference.html#yas-x-prompt"><code>yas-x-prompt</code></a> can be used to show a popup menu for you to
select. This menu will be part of you native window system widget, which
means:
</p>
<ul>
<ul class="org-ul">
<li>It usually looks beautiful. E.g. when you compile Emacs with gtk
support, this menu will be rendered with your gtk theme.
</li>
@ -575,68 +578,63 @@ means:
<li>This function can't be used when in a terminal.
</li>
</ul>
</div>
</div>
</div>
<div id="outline-container-2-3-2" class="outline-4">
<div id="outline-container-sec-2-3-2" class="outline-4">
<h4 id="sec-2-3-2">Minibuffer prompting</h4>
<div class="outline-text-4" id="text-2-3-2">
<p>
<img src="./images/ido-menu.png" alt="./images/ido-menu.png" />
<div class="figure">
<p><img src="./images/ido-menu.png" alt="ido-menu.png" />
</p>
</div>
<p>
You can use functions <a href="snippet-reference.html#yas-completing-prompt"><code>yas-completing-prompt</code></a> for the classic emacs
completion method or <a href="snippet-reference.html#yas-ido-prompt"><code>yas-ido-prompt</code></a> for a much nicer looking method.
The best way is to try it. This works in a terminal.
</p>
</div>
</div>
<div id="outline-container-2-3-3" class="outline-4">
<div id="outline-container-sec-2-3-3" class="outline-4">
<h4 id="sec-2-3-3">Use <code>dropdown-menu.el</code></h4>
<div class="outline-text-4" id="text-2-3-3">
<p>
<img src="./images/dropdown-menu.png" alt="./images/dropdown-menu.png" />
<div class="figure">
<p><img src="./images/dropdown-menu.png" alt="dropdown-menu.png" />
</p>
</div>
<p>
The function <a href="snippet-reference.html#yas-dropdown-prompt"><code>yas-dropdown-prompt</code></a> can also be placed in the
<a href="snippet-reference.html#yas-prompt-functions"><code>yas-prompt-functions</code></a> list.
</p>
<p>
This works in both window system and terminal and is customizable, you
can use <code>C-n</code>, <code>C-p</code> to navigate, <code>q</code> to quit and even press <code>6</code> as a
shortcut to select the 6th candidate.
</p>
</div>
</div>
<div id="outline-container-2-3-4" class="outline-4">
<div id="outline-container-sec-2-3-4" class="outline-4">
<h4 id="sec-2-3-4">Roll your own</h4>
<div class="outline-text-4" id="text-2-3-4">
<p>
See the documentation on variable <a href="snippet-reference.html#yas-prompt-functions"><code>yas-prompt-functions</code></a>
</p></div>
</div>
</div>
</div>
</div>
<div id="postamble">
<hr><p class='creator'>Generated by <a href="http://orgmode.org">Org</a> version 7.9.3f with <a href="http://www.gnu.org/software/emacs/">Emacs</a> version 24 on 2014-10-01T21:16+0100 from 08b044e559cc350c6e7142d088ec2d4a82e378cb
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a></p>
</div>
</div>
</div>
</div>
</div>
<div id="postamble" class="status">
<hr><p class='creator'>Generated by <a href="http://www.gnu.org/software/emacs/">Emacs</a> 24.4.91.1 (<a href="http://orgmode.org">Org</a> mode 8.2.10) on from 7703a55ac416a131dec45fa6a1e0ec1e31adf760
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

188
snippet-menu.html
View File

@ -1,39 +1,61 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>YASnippet menu</title>
<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
<meta name="title" content="YASnippet menu"/>
<!-- 2015-09-24 Thu 21:14 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="generator" content="Org-mode" />
<meta name="generated" content="2014-10-01T21:16+0100"/>
<meta name="author" content=""/>
<meta name="description" content=""/>
<meta name="keywords" content=""/>
<style type="text/css">
<!--/*--><![CDATA[/*><!--*/
html { font-family: Times, serif; font-size: 12pt; }
.title { text-align: center; }
.todo { color: red; }
.todo { font-family: monospace; color: red; }
.done { color: green; }
.tag { background-color: #add8e6; font-weight:normal }
.target { }
.tag { background-color: #eee; font-family: monospace;
padding: 2px; font-size: 80%; font-weight: normal; }
.timestamp { color: #bebebe; }
.timestamp-kwd { color: #5f9ea0; }
.right { margin-left: auto; margin-right: 0px; text-align: right; }
.left { margin-left: 0px; margin-right: auto; text-align: left; }
.center { margin-left: auto; margin-right: auto; text-align: center; }
p.verse { margin-left: 3% }
.underline { text-decoration: underline; }
#postamble p, #preamble p { font-size: 90%; margin: .2em; }
p.verse { margin-left: 3%; }
pre {
border: 1pt solid #AEBDCC;
background-color: #F3F5F7;
padding: 5pt;
font-family: courier, monospace;
font-size: 90%;
border: 1px solid #ccc;
box-shadow: 3px 3px 3px #eee;
padding: 8pt;
font-family: monospace;
overflow: auto;
margin: 1.2em;
}
pre.src {
position: relative;
overflow: visible;
padding-top: 1.2em;
}
pre.src:before {
display: none;
position: absolute;
background-color: white;
top: -10px;
right: 10px;
padding: 3px;
border: 1px solid black;
}
pre.src:hover:before { display: inline;}
pre.src-sh:before { content: 'sh'; }
pre.src-bash:before { content: 'sh'; }
pre.src-emacs-lisp:before { content: 'Emacs Lisp'; }
pre.src-R:before { content: 'R'; }
pre.src-perl:before { content: 'Perl'; }
pre.src-java:before { content: 'Java'; }
pre.src-sql:before { content: 'SQL'; }
table { border-collapse:collapse; }
caption.t-above { caption-side: top; }
caption.t-bottom { caption-side: bottom; }
td, th { vertical-align:top; }
th.right { text-align: center; }
th.left { text-align: center; }
@ -42,22 +64,27 @@
td.left { text-align: left; }
td.center { text-align: center; }
dt { font-weight: bold; }
div.figure { padding: 0.5em; }
div.figure p { text-align: center; }
div.inlinetask {
.footpara:nth-child(2) { display: inline; }
.footpara { display: block; }
.footdef { margin-bottom: 1em; }
.figure { padding: 1em; }
.figure p { text-align: center; }
.inlinetask {
padding: 10px;
border: 2px solid gray;
margin: 10px;
background: #ffffcc;
}
#org-div-home-and-up
{ text-align: right; font-size: 70%; white-space: nowrap; }
textarea { overflow-x: auto; }
.linenr { font-size: smaller }
.code-highlighted { background-color: #ffff00; }
.org-info-js_info-navigation { border-style: none; }
#org-info-js_console-label { font-size:10px; font-weight:bold;
white-space:nowrap; }
.org-info-js_search-highlight {background-color:#ffff00; color:#000000;
font-weight:bold; }
#org-info-js_console-label
{ font-size: 10px; font-weight: bold; white-space: nowrap; }
.org-info-js_search-highlight
{ background-color: #ffff00; color: #000000; font-weight: bold; }
/*]]>*/-->
</style>
<link rel="stylesheet" type="text/css" href="stylesheets/manual.css" />
@ -107,11 +134,9 @@ for the JavaScript code in this tag.
}
/*]]>*///-->
</script>
</head>
<body>
<div id="preamble">
<div id="preamble" class="status">
<nav>
<ul class="center">
<li> <a href="index.html">Overview</a>
@ -128,40 +153,9 @@ for the JavaScript code in this tag.
<li> <a href="snippet-reference.html">Reference</a>
</ul>
</nav>
</div>
<div id="content">
<h1 class="title">YASnippet menu</h1>
<p>
When <a href="snippet-reference.html#yas-minor-mode"><code>yas-minor-mode</code></a> is active, YASnippet will setup a menu just after
the "Buffers" menu in the menubar.
</p>
<p>
In this menu, you can find
</p>
<ul>
<li>The currently loaded snippet definitions, organized by major mode,
and optional grouping.
</li>
<li>A rundown of the most common commands, (followed by their
keybindings) including commands to load directories and reload all
snippet definitions.
</li>
<li>A series of submenus for customizing and exploring YASnippet
behavior.
</li>
</ul>
<p>
<img src="./images/menu-1.png" alt="./images/menu-1.png" />
</p>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
@ -174,105 +168,125 @@ In this menu, you can find
</ul>
</div>
</div>
<p>
When <a href="snippet-reference.html#yas-minor-mode"><code>yas-minor-mode</code></a> is active, YASnippet will setup a menu just after
the "Buffers" menu in the menubar.
</p>
<div id="outline-container-1" class="outline-2">
<p>
In this menu, you can find
</p>
<ul class="org-ul">
<li>The currently loaded snippet definitions, organized by major mode,
and optional grouping.
</li>
<li>A rundown of the most common commands, (followed by their
keybindings) including commands to load directories and reload all
snippet definitions.
</li>
<li>A series of submenus for customizing and exploring YASnippet
behavior.
</li>
</ul>
<div class="figure">
<p><img src="./images/menu-1.png" alt="menu-1.png" />
</p>
</div>
<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1">Loading snippets from menu</h2>
<div class="outline-text-2" id="text-1">
<p>
Invoking "Load snippets&hellip;" from the menu invokes <a href="snippet-reference.html#yas-load-directory"><code>yas-load-directory</code></a>
Invoking "Load snippets&#x2026;" from the menu invokes <a href="snippet-reference.html#yas-load-directory"><code>yas-load-directory</code></a>
and prompts you for a snippet directory hierarchy to load.
</p>
<p>
Also useful is the "Reload everything" item to invoke <a href="#yas-reload-all"><code>yas-reload-all</code></a>
Also useful is the "Reload everything" item to invoke <i><code>yas-reload-all</code></i>
which uncondionally reloads all the snippets directories defined in
<a href="snippet-reference.html#yas-snippet-dirs"><code>yas-snippet-dirs</code></a> and rebuilds the menus.
</p>
</div>
</div>
<div id="outline-container-2" class="outline-2">
<div id="outline-container-sec-2" class="outline-2">
<h2 id="sec-2">Snippet menu behavior</h2>
<div class="outline-text-2" id="text-2">
<p>
YASnippet will list in this section all the loaded snippet definitions
organized by snippet table name.
</p>
<p>
You can use this section to explore currently loaded snippets. If you
click on one of them, the default behavior is to expand it,
unconditionally, inside the current buffer.
</p>
<p>
You can however, customize variable <a href="snippet-reference.html#yas-visit-from-menu"><code>yas-visit-from-menu</code></a> to be <code>t</code>
which will take you to the snippet definition file when you select it
from the menu.
</p>
<p>
If you want the menu show only snippet tables whose name corresponds to
a "real" major mode. You do this by setting <a href="snippet-reference.html#yas-use-menu"><code>yas-use-menu</code></a> to
'<code>real-modes</code>.
</p>
<p>
Finally, to have the menu show only the tables for the currently active
mode, set <a href="snippet-reference.html#yas-use-menu"><code>yas-use-menu</code></a> to <code>abbreviate</code>.
</p>
<p>
These customizations can also be found in the menu itself, under the
"Snippet menu behavior" submenu.
</p>
</div>
</div>
<div id="outline-container-3" class="outline-2">
<div id="outline-container-sec-3" class="outline-2">
<h2 id="sec-3">Controlling indenting</h2>
<div class="outline-text-2" id="text-3">
<p>
The "Indenting" submenu contains options to control the values of
<a href="snippet-reference.html#yas-indent-line"><code>yas-indent-line</code></a> and <a href="snippet-reference.html#yas-also-auto-indent-first-line"><code>yas-also-auto-indent-first-line</code></a>. See
<a href="./snippet-development.html">Writing snippets</a>.
</p>
</div>
</div>
<div id="outline-container-4" class="outline-2">
<div id="outline-container-sec-4" class="outline-2">
<h2 id="sec-4">Prompting method</h2>
<div class="outline-text-2" id="text-4">
<p>
The "Prompting method" submenu contains options to control the value of
<a href="snippet-reference.html#yas-prompt-functions"><code>yas-prompt-functions</code></a>. See <a href="./snippet-expansion.html">Expanding snippets</a>.
</p>
</div>
</div>
<div id="outline-container-5" class="outline-2">
<div id="outline-container-sec-5" class="outline-2">
<h2 id="sec-5">Misc</h2>
<div class="outline-text-2" id="text-5">
<p>
The "Misc" submenu contains options to control the values of more
variables.
</p></div>
</div>
</div>
<div id="postamble">
<hr><p class='creator'>Generated by <a href="http://orgmode.org">Org</a> version 7.9.3f with <a href="http://www.gnu.org/software/emacs/">Emacs</a> version 24 on 2014-10-01T21:16+0100 from 08b044e559cc350c6e7142d088ec2d4a82e378cb
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a></p>
</div>
</div>
</div>
<div id="postamble" class="status">
<hr><p class='creator'>Generated by <a href="http://www.gnu.org/software/emacs/">Emacs</a> 24.4.91.1 (<a href="http://orgmode.org">Org</a> mode 8.2.10) on from 7703a55ac416a131dec45fa6a1e0ec1e31adf760
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

246
snippet-organization.html
View File

@ -1,39 +1,61 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Organizing snippets</title>
<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
<meta name="title" content="Organizing snippets"/>
<!-- 2015-09-24 Thu 21:14 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="generator" content="Org-mode" />
<meta name="generated" content="2014-10-01T21:16+0100"/>
<meta name="author" content=""/>
<meta name="description" content=""/>
<meta name="keywords" content=""/>
<style type="text/css">
<!--/*--><![CDATA[/*><!--*/
html { font-family: Times, serif; font-size: 12pt; }
.title { text-align: center; }
.todo { color: red; }
.todo { font-family: monospace; color: red; }
.done { color: green; }
.tag { background-color: #add8e6; font-weight:normal }
.target { }
.tag { background-color: #eee; font-family: monospace;
padding: 2px; font-size: 80%; font-weight: normal; }
.timestamp { color: #bebebe; }
.timestamp-kwd { color: #5f9ea0; }
.right { margin-left: auto; margin-right: 0px; text-align: right; }
.left { margin-left: 0px; margin-right: auto; text-align: left; }
.center { margin-left: auto; margin-right: auto; text-align: center; }
p.verse { margin-left: 3% }
.underline { text-decoration: underline; }
#postamble p, #preamble p { font-size: 90%; margin: .2em; }
p.verse { margin-left: 3%; }
pre {
border: 1pt solid #AEBDCC;
background-color: #F3F5F7;
padding: 5pt;
font-family: courier, monospace;
font-size: 90%;
border: 1px solid #ccc;
box-shadow: 3px 3px 3px #eee;
padding: 8pt;
font-family: monospace;
overflow: auto;
margin: 1.2em;
}
pre.src {
position: relative;
overflow: visible;
padding-top: 1.2em;
}
pre.src:before {
display: none;
position: absolute;
background-color: white;
top: -10px;
right: 10px;
padding: 3px;
border: 1px solid black;
}
pre.src:hover:before { display: inline;}
pre.src-sh:before { content: 'sh'; }
pre.src-bash:before { content: 'sh'; }
pre.src-emacs-lisp:before { content: 'Emacs Lisp'; }
pre.src-R:before { content: 'R'; }
pre.src-perl:before { content: 'Perl'; }
pre.src-java:before { content: 'Java'; }
pre.src-sql:before { content: 'SQL'; }
table { border-collapse:collapse; }
caption.t-above { caption-side: top; }
caption.t-bottom { caption-side: bottom; }
td, th { vertical-align:top; }
th.right { text-align: center; }
th.left { text-align: center; }
@ -42,22 +64,27 @@
td.left { text-align: left; }
td.center { text-align: center; }
dt { font-weight: bold; }
div.figure { padding: 0.5em; }
div.figure p { text-align: center; }
div.inlinetask {
.footpara:nth-child(2) { display: inline; }
.footpara { display: block; }
.footdef { margin-bottom: 1em; }
.figure { padding: 1em; }
.figure p { text-align: center; }
.inlinetask {
padding: 10px;
border: 2px solid gray;
margin: 10px;
background: #ffffcc;
}
#org-div-home-and-up
{ text-align: right; font-size: 70%; white-space: nowrap; }
textarea { overflow-x: auto; }
.linenr { font-size: smaller }
.code-highlighted { background-color: #ffff00; }
.org-info-js_info-navigation { border-style: none; }
#org-info-js_console-label { font-size:10px; font-weight:bold;
white-space:nowrap; }
.org-info-js_search-highlight {background-color:#ffff00; color:#000000;
font-weight:bold; }
#org-info-js_console-label
{ font-size: 10px; font-weight: bold; white-space: nowrap; }
.org-info-js_search-highlight
{ background-color: #ffff00; color: #000000; font-weight: bold; }
/*]]>*/-->
</style>
<link rel="stylesheet" type="text/css" href="stylesheets/manual.css" />
@ -107,11 +134,9 @@ for the JavaScript code in this tag.
}
/*]]>*///-->
</script>
</head>
<body>
<div id="preamble">
<div id="preamble" class="status">
<nav>
<ul class="center">
<li> <a href="index.html">Overview</a>
@ -128,14 +153,9 @@ for the JavaScript code in this tag.
<li> <a href="snippet-reference.html">Reference</a>
</ul>
</nav>
</div>
<div id="content">
<h1 class="title">Organizing snippets</h1>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
@ -143,39 +163,32 @@ for the JavaScript code in this tag.
<li><a href="#sec-1">Basic structure</a></li>
<li><a href="#sec-2">Setting up <code>yas-snippet-dirs</code></a></li>
<li><a href="#sec-3">The <code>.yas-parents</code> file</a></li>
<li><a href="#sec-4">The <code>.yas-make-groups</code> file</a></li>
<li><a href="#sec-5">The <code>.yas-setup.el</code> file</a>
<li><a href="#sec-4"><span class="todo TODO">TODO</span> The <code>.yas-make-groups</code> file</a></li>
<li><a href="#sec-5"><span class="todo TODO">TODO</span> The <code>.yas-setup.el</code> file</a>
<ul>
<li><a href="#sec-5-1"></a></li>
</ul>
</li>
<li><a href="#sec-6">The <code>.yas-compiled-snippet.el</code> file</a>
<ul>
<li><a href="#sec-6-1"></a></li>
<li><a href="#sec-5-1"><span class="todo TODO">TODO</span> </a></li>
</ul>
</li>
<li><a href="#sec-6">The <code>.yas-compiled-snippet.el</code> file</a></li>
<li><a href="#sec-7">The <code>.yas-skip</code> file</a>
<ul>
<li><a href="#sec-7-1"></a></li>
<li><a href="#sec-7-1"><span class="todo TODO">TODO</span> </a></li>
</ul>
</li>
</ul>
</div>
</div>
<div id="outline-container-1" class="outline-2">
<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1">Basic structure</h2>
<div class="outline-text-2" id="text-1">
<p>
Snippet collections can be stored in plain text files. They are arranged by
sub-directories naming <b>snippet tables</b>. These mostly name Emacs major names.
</p>
<pre class="example">.
<pre class="example">
.
|-- c-mode
| `-- printf
|-- java-mode
@ -185,46 +198,43 @@ for the JavaScript code in this tag.
`-- time
</pre>
<p>
The collections are loaded into <b>snippet tables</b> which the
triggering mechanism (see <a href="snippet-expansion.html">Expanding Snippets</a>) looks up and
(hopefully) causes the right snippet to be expanded for you.
</p>
</div>
</div>
<div id="outline-container-2" class="outline-2">
<div id="outline-container-sec-2" class="outline-2">
<h2 id="sec-2">Setting up <code>yas-snippet-dirs</code></h2>
<div class="outline-text-2" id="text-2">
<p>
The emacs variable <a href="snippet-reference.html#yas-snippet-dirs"><code>yas-snippet-dirs</code></a> tells YASnippet
which collections to consider. It's used when you activate
<a href="snippet-reference.html#yas-global-mode"><code>yas-global-mode</code></a> or call
<a href="snippet-reference.html#yas-reload-all"><code>yas-reload-all</code></a> interactively.
</p>
<p>
The default considers:
</p>
<ul>
<ul class="org-ul">
<li>a personal collection that lives in <code>~/.emacs.d/snippets</code>
</li>
<li>the bundled collection, taken as a relative path to <code>yasnippet.el</code> localtion
</li>
</ul>
<p>
When you come across other snippet collections, do the following to try them
out:
</p>
<div class="org-src-container">
<pre class="example">;; Develop in ~/emacs.d/mysnippets, but also
<pre class="src src-emacs-lisp">;; Develop in ~/emacs.d/mysnippets, but also
;; try out snippets in ~/Downloads/interesting-snippets
(setq yas-snippet-dirs '("~/emacs.d/mysnippets"
"~/Downloads/interesting-snippets"))
@ -233,22 +243,19 @@ for the JavaScript code in this tag.
(setq yas-snippet-dirs (append yas-snippet-dirs
'("~/Downloads/interesting-snippets")))
</pre>
</div>
<p>
Collections appearing earlier in the list shadow snippets with same names
Collections appearing earlier in the list override snippets with same names
appearing in collections later in the list. <a href="snippet-reference.html#yas-new-snippet"><code>yas-new-snippet</code></a> always stores
snippets in the first collection.
</p>
</div>
</div>
<div id="outline-container-3" class="outline-2">
<div id="outline-container-sec-3" class="outline-2">
<h2 id="sec-3">The <code>.yas-parents</code> file</h2>
<div class="outline-text-2" id="text-3">
<p>
It's very useful to have certain modes share snippets between
themselves. To do this, choose a mode subdirectory and place a
@ -257,9 +264,8 @@ for the JavaScript code in this tag.
mode.
</p>
<pre class="example">.
<pre class="example">
.
|-- c-mode
| |-- .yas-parents # contains "cc-mode text-mode"
| `-- printf
@ -273,35 +279,33 @@ for the JavaScript code in this tag.
|-- email
`-- time
</pre>
</div>
</div>
</div>
<div id="outline-container-4" class="outline-2">
<div id="outline-container-sec-4" class="outline-2">
<h2 id="sec-4"><span class="todo TODO">TODO</span> The <code>.yas-make-groups</code> file</h2>
<div class="outline-text-2" id="text-4">
<p>
If you place an empty plain text file <code>.yas-make-groups</code> inside one
of the mode directories, the names of these sub-directories are
considered groups of snippets and <a href="#snippet-menu.org">the menu</a> is organized much more
considered groups of snippets and <i>the menu</i> is organized much more
cleanly:
</p>
<p>
<img src="./images/menu-groups.png" alt="./images/menu-groups.png" />
<div class="figure">
<p><img src="./images/menu-groups.png" alt="menu-groups.png" />
</p>
</div>
<p>
Another way to achieve this is to place a <code># group:</code> directive
inside the snippet definition. See <a href="./snippet-development.html">Writing Snippets</a>.
</p>
<pre class="example">$ tree ruby-mode/
<pre class="example">
$ tree ruby-mode/
ruby-mode/
|-- .yas-make-groups
|-- collections
@ -316,73 +320,57 @@ ruby-mode/
`-- ...
</pre>
<p>
Yet another way to create a nice snippet menu is to write into
<code>.yas-make-groups</code> a menu definition. TODO
</p>
</div>
</div>
<div id="outline-container-5" class="outline-2">
<div id="outline-container-sec-5" class="outline-2">
<h2 id="sec-5"><span class="todo TODO">TODO</span> The <code>.yas-setup.el</code> file</h2>
<div class="outline-text-2" id="text-5">
</div>
<div id="outline-container-5-1" class="outline-3">
</div><div id="outline-container-sec-5-1" class="outline-3">
<h3 id="sec-5-1"><span class="todo TODO">TODO</span> </h3>
<div class="outline-text-3" id="text-5-1">
</div>
</div>
</div>
<div id="outline-container-6" class="outline-2">
<h2 id="sec-6"><span class="todo TODO">TODO</span> The <code>.yas-compiled-snippet.el</code> file</h2>
<div id="outline-container-sec-6" class="outline-2">
<h2 id="sec-6">The <code>.yas-compiled-snippet.el</code> file</h2>
<div class="outline-text-2" id="text-6">
</div>
<div id="outline-container-6-1" class="outline-3">
<h3 id="sec-6-1"><span class="todo TODO">TODO</span></h3>
<div class="outline-text-3" id="text-6-1">
</div>
</div>
</div>
<div id="outline-container-7" class="outline-2">
<h2 id="sec-7"><span class="todo TODO">TODO</span> The <code>.yas-skip</code> file</h2>
<div class="outline-text-2" id="text-7">
</div>
<div id="outline-container-7-1" class="outline-3">
<h3 id="sec-7-1"><span class="todo TODO">TODO</span></h3>
<div class="outline-text-3" id="text-7-1">
</div>
</div>
</div>
</div>
<div id="postamble">
<hr><p class='creator'>Generated by <a href="http://orgmode.org">Org</a> version 7.9.3f with <a href="http://www.gnu.org/software/emacs/">Emacs</a> version 24 on 2014-10-01T21:16+0100 from 08b044e559cc350c6e7142d088ec2d4a82e378cb
<p>
You may compile a top-level snippet directory with the
<code>yas-compile-directory</code> function, which will create a
<code>.yas-compiled-snippets.el</code> file under each mode subdirectory,
which contains definitions for all snippets in the subdirectory.
Compilation helps improve loading time.
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a></p>
<p>
Alternatively, you may compile all directories in the list
<code>yas-snippet-dirs</code> with the <code>yas-recompile-all</code> function.
</p>
</div>
</div>
<div id="outline-container-sec-7" class="outline-2">
<h2 id="sec-7">The <code>.yas-skip</code> file</h2>
<div class="outline-text-2" id="text-7">
<p>
A <code>.yas-skip</code> file in a mode's snippet subdirectory tells YASnippet
not to load snippets from there.
</p>
</div>
<div id="outline-container-sec-7-1" class="outline-3">
<h3 id="sec-7-1"><span class="todo TODO">TODO</span> </h3>
</div>
</div>
</div>
<div id="postamble" class="status">
<hr><p class='creator'>Generated by <a href="http://www.gnu.org/software/emacs/">Emacs</a> 24.4.91.1 (<a href="http://orgmode.org">Org</a> mode 8.2.10) on from 7703a55ac416a131dec45fa6a1e0ec1e31adf760
</p>
<p class='xhtml-validation'><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

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