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authorLars Thorsen <[email protected]>2016-06-13 14:47:24 +0200
committerLars Thorsen <[email protected]>2016-06-13 14:47:24 +0200
commit701f2f8df8240ddcc83460fb4504111bea979dfa (patch)
tree2490f14c7232648dec2d1a3f1be159354787265d /lib/erl_docgen/priv/xsl
parentce486edc3d52168ff57eb321514beca4ac152097 (diff)
parent9c73c8e175f20b8630105b07e51d40db209ad0be (diff)
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Merge branch 'derek121/doc-function-list-ordering/PR-543/OTP-13668'
* derek121/doc-function-list-ordering/PR-543/OTP-13668: Sort functions in doc index frames
Diffstat (limited to 'lib/erl_docgen/priv/xsl')
-rw-r--r--lib/erl_docgen/priv/xsl/db_html.xsl69
1 files changed, 68 insertions, 1 deletions
diff --git a/lib/erl_docgen/priv/xsl/db_html.xsl b/lib/erl_docgen/priv/xsl/db_html.xsl
index 75399992f2..fe6c7d3c28 100644
--- a/lib/erl_docgen/priv/xsl/db_html.xsl
+++ b/lib/erl_docgen/priv/xsl/db_html.xsl
@@ -24,11 +24,76 @@
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:exsl="http://exslt.org/common"
- extension-element-prefixes="exsl"
+ xmlns:func="http://exslt.org/functions"
+ xmlns:erl="http://erlang.org"
+ extension-element-prefixes="exsl func"
xmlns:fn="http://www.w3.org/2005/02/xpath-functions">
<xsl:include href="db_html_params.xsl"/>
+ <func:function name="erl:flip_first_char">
+ <xsl:param name="in"/>
+
+ <xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'"/>
+ <xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'"/>
+
+ <xsl:variable name="first-char" select="substring($in, 1, 1)"/>
+
+ <xsl:variable name="result">
+ <xsl:choose>
+ <xsl:when test="contains($uppercase, $first-char)">
+ <xsl:value-of select="concat(translate($first-char, $uppercase, $lowercase), substring($in, 2))"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="concat(translate($first-char, $lowercase, $uppercase), substring($in, 2))"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:variable>
+
+ <func:result select="$result"/>
+ </func:function>
+
+ <!-- Used from template menu.funcs to sort a module's functions for the lefthand index list,
+ from the module's .xml file. Returns a value on which to sort the entity in question
+ (a <name> element).
+
+ Some functions are listed with the name as an attribute, as in string.xml:
+ <name name="join" arity="2"/>
+
+ Others use the element value for the name, as in gen_server.xml:
+ <name>start_link(Module, Args, Options) -> Result</name>
+
+ Additionally, callbacks may be included, as in gen_server.xml:
+ <name>Module:handle_call(Request, From, State) -> Result</name>
+
+ So first, get the name from either the attribute or the element value.
+ Then, reverse the case of the first character. This is because xsltproc, used for processing,
+ orders uppercase before lowercase (even when the 'case-order="lower-first"' option
+ is given). But we want the Module callback functions listed after a module's regular
+ functions, as they are now. This doesn't affect the actual value used in the output, but
+ just the value used as a sort key. To then ensure that uppercase is indeed sorted before
+ lower, as we now want it to be, the 'case-order="upper-first"' option is used.
+
+ This processing only affect the lefthand index list- the body of the doc page is not
+ affected.
+ -->
+ <func:function name="erl:get_sort_field">
+ <xsl:param name="elem"/>
+
+ <xsl:variable name="base">
+ <xsl:choose>
+ <xsl:when test="string-length($elem/@name) > 0">
+ <xsl:value-of select="$elem/@name"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="$elem"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:variable>
+
+ <func:result select="erl:flip_first_char($base)"/>
+ </func:function>
+
<!-- Start of Dialyzer type/spec tags.
See also the templates matching "name" and "seealso" as well as
the template "menu.funcs"
@@ -1486,6 +1551,8 @@
<xsl:param name="cval"/>
<xsl:for-each select="$entries">
+ <!-- Sort on function name, so the index list in lefthand frame is ordered. -->
+ <xsl:sort select="erl:get_sort_field(.)" data-type="text" case-order="upper-first"/>
<xsl:choose>
<xsl:when test="ancestor::cref">