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[libstdc++] prepass filter for doxygen, update links

Benjamin pointed out to me that the links to the online doxygen pages
hadn't been updated to point to the new releases; fixed here.

This also adds some semi-sloppy hooks for preprocessing the library when
running doxygen, to remove leading underscores and in general choose more
readable names.  Little things like seeing

    std::vector<Type>

instead of

    std::vector<_Tp>

have a surprising (to me anyway) positive effect on readability.


2003-05-30  Phil Edwards  <pme@gcc.gnu.org>

	* docs/doxygen/filter:  New file.
	* docs/doxygen/filter.sed:  New file.
	* docs/doxygen/run_doxygen:  Add g flag to sed substitutions.  Duh.
	* docs/doxygen/user.cfg.in (INPUT_FILTER):  Point to new filter.
	* docs/html/documentation.html:  Fix links to doxygen pages.


Index: docs/doxygen/filter
===================================================================
RCS file: docs/doxygen/filter
diff -N docs/doxygen/filter
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ docs/doxygen/filter	30 May 2003 19:07:47 -0000
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+script=$1
+file=$2
+
+# Possibly allow some files to go unchanged.  Other
+# future manipulations are likely.
+case $file in
+ */alloc_policies.h)
+  cat $file ;;
+ *) sed -f $script $file ;;
+esac
+
Index: docs/doxygen/filter.sed
===================================================================
RCS file: docs/doxygen/filter.sed
diff -N docs/doxygen/filter.sed
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ docs/doxygen/filter.sed	30 May 2003 19:07:47 -0000
@@ -0,0 +1,26 @@
+# Input filter for doxygen.
+# Copyright (C) 2003 Free Software Foundation, Inc.
+# Phil Edwards <pme@gcc.gnu.org>
+
+# single+capital is easy
+s/_Tp/Type/g
+s/_\([A-Z]\)/\1/g
+
+# double+lower is not so easy; some names should be left alone.
+# The following is a sloppy start.  Possibly just require GNU tools
+# and use extensions.
+s/__a/a/g
+s/__c/c/g
+s/__first/first/g
+s/__in/in/g
+s/__last/last/g
+s/__n/n/g
+s/__out/out/g
+s/__pred/pred/g
+s/__position/position/g
+s/__pos/position/g
+s/__s/s/g
+s/__value/value/g
+s/__x/x/g
+s/__y/y/g
+
Index: docs/doxygen/run_doxygen
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/docs/doxygen/run_doxygen,v
retrieving revision 1.21
diff -u -3 -p -r1.21 run_doxygen
--- docs/doxygen/run_doxygen	29 Apr 2003 23:48:52 -0000	1.21
+++ docs/doxygen/run_doxygen	30 May 2003 19:07:47 -0000
@@ -134,8 +134,8 @@ test $do_man = yes && {
 (
   set -e
   cd $builddir
-  sed -e "s=@outdir@=${outdir}=" \
-      -e "s=@srcdir@=${srcdir}=" \
+  sed -e "s=@outdir@=${outdir}=g" \
+      -e "s=@srcdir@=${srcdir}=g" \
       -e "s=@html_output_dir@=html_${mode}=" \
       -e "s=@enabled_sections@=${enabled_sections}=" \
       -e "s=@do_html@=${do_html}=" \
Index: docs/doxygen/user.cfg.in
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/docs/doxygen/user.cfg.in,v
retrieving revision 1.24
diff -u -3 -p -r1.24 user.cfg.in
--- docs/doxygen/user.cfg.in	29 Apr 2003 23:48:52 -0000	1.24
+++ docs/doxygen/user.cfg.in	30 May 2003 19:07:47 -0000
@@ -384,6 +384,7 @@ RECURSIVE              = YES
 
 EXCLUDE                = Makefile \
                          CVS \
+                         include/bits/demangle.h \
 			 stdc++.h.gch
 
 # The EXCLUDE_SYMLINKS tag can be used select whether or not files or directories 
@@ -433,7 +434,7 @@ IMAGE_PATH             = 
 # input file. Doxygen will then use the output that the filter program writes 
 # to standard output.
 
-INPUT_FILTER           = 
+INPUT_FILTER           = "@srcdir@/docs/doxygen/filter @srcdir@/docs/doxygen/filter.sed"
 
 # If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using 
 # INPUT_FILTER) will be used to filter the input files when producing source 
@@ -459,7 +460,7 @@ INLINE_SOURCES         = NO
 # doxygen to hide any special comment blocks from generated source code 
 # fragments. Normal C and C++ comments will always remain visible.
 
-STRIP_CODE_COMMENTS    = YES
+STRIP_CODE_COMMENTS    = NO
 
 # If the REFERENCED_BY_RELATION tag is set to YES (the default) 
 # then for each documented function all documented 
Index: docs/html/documentation.html
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/docs/html/documentation.html,v
retrieving revision 1.33
diff -u -3 -p -r1.33 documentation.html
--- docs/html/documentation.html	20 May 2003 22:25:08 -0000	1.33
+++ docs/html/documentation.html	30 May 2003 19:07:47 -0000
@@ -67,24 +67,25 @@
    the library classes, finding out what is in a particular include
    file, looking at inheritance diagrams, etc.
 </p>
-<p>The Source-Level documentation can be viewed online:</p>
+<p>The source-level documentation for the most recent releases can
+   be viewed online:
+</p>
 <ul>
-   <li><a href="libstdc++-html-USERS-3.1/index.html">for the 3.1 release</a>
-   </li>
-   <li><a href="libstdc++-html-USERS-3.2.1/index.html">for the 3.2.1 release</a>
-   </li>
-   <li><a href="latest-doxygen/index.html">&quot;the latest collection&quot;</a>
-       (for the snapshot or later; see the date on the first page)
-   </li>
+ <li><a href="libstdc++-html-USERS-3.3/index.html">for the 3.3 release</a></li>
+ <li><a href="latest-doxygen/index.html">&quot;the latest collection&quot;</a>
+   (for the main development tree; see the date on the first page)
+ </li>
 </ul>
 <p>This generated HTML collection, as above, is also available for download in
    the libstdc++ snapshots directory at
    <code>&lt;URL:ftp://gcc.gnu.org/pub/gcc/libstdc++/doxygen/&gt;</code>.
-   You will almost certainly need to use one of the <a
-   href="http://gcc.gnu.org/mirrors.html";>mirror sites</a> to download
-   the tarball.  After unpacking, simply load
-   libstdc++-html-*/index.html into a browser.  Feedback (and
-   additional documentation!) is welcome.
+   You will almost certainly need to use one of the
+   <a href="http://gcc.gnu.org/mirrors.html";>mirror sites</a> to download
+   the tarball.  After unpacking, simply load libstdc++-html-*/index.html
+   into a browser.
+</p>
+<p>Documentation for older releases is available for download only, not
+   online viewing.
 </p>
 <p>In addition, an initial set of man pages are also available in the
    same place as the HTML collections.  Start with C++Intro(3).
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