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-rwxr-xr-xfilters/syntax-highlighting.sh100
1 files changed, 23 insertions, 77 deletions
diff --git a/filters/syntax-highlighting.sh b/filters/syntax-highlighting.sh
index bb8d60c..5fcc9c9 100755
--- a/filters/syntax-highlighting.sh
+++ b/filters/syntax-highlighting.sh
@@ -1,6 +1,6 @@
#!/bin/sh
# This script can be used to implement syntax highlighting in the cgit
-# tree-view by referring to this file with the source-filter or repo.source-
+# tree-view by refering to this file with the source-filter or repo.source-
# filter options in cgitrc.
#
# This script requires a shell supporting the ${var##pattern} syntax.
@@ -8,12 +8,8 @@
# might have to use an external call to sed instead.
#
# Note: the highlight command (http://www.andre-simon.de/) uses css for syntax
-# highlighting. cgit.css defines these classes in terms of its --syn-* custom
-# properties, so nothing has to be added when using the default stylesheet.
-# The palette below, from highlight 3.13, is what those properties default to;
-# a custom stylesheet wanting the same colors can use it directly:
-#
-# Style definition file generated by highlight 2.4.8, http://www.andre-simon.de/
+# highlighting, so you'll probably want something like the following included
+# in your css file (generated by highlight 2.4.8 and adapted for cgit):
#
# table.blob .num { color:#2928ff; }
# table.blob .esc { color:#ff00ff; }
@@ -28,66 +24,6 @@
# table.blob .kwc { color:#000000; font-weight:bold; }
# table.blob .kwd { color:#010181; }
#
-#
-# Style definition file generated by highlight 2.6.14, http://www.andre-simon.de/
-#
-# body.hl { background-color:#ffffff; }
-# pre.hl { color:#000000; background-color:#ffffff; font-size:10pt; font-family:'Courier New';}
-# .hl.num { color:#2928ff; }
-# .hl.esc { color:#ff00ff; }
-# .hl.str { color:#ff0000; }
-# .hl.dstr { color:#818100; }
-# .hl.slc { color:#838183; font-style:italic; }
-# .hl.com { color:#838183; font-style:italic; }
-# .hl.dir { color:#008200; }
-# .hl.sym { color:#000000; }
-# .hl.line { color:#555555; }
-# .hl.mark { background-color:#ffffbb;}
-# .hl.kwa { color:#000000; font-weight:bold; }
-# .hl.kwb { color:#830000; }
-# .hl.kwc { color:#000000; font-weight:bold; }
-# .hl.kwd { color:#010181; }
-#
-#
-# Style definition file generated by highlight 3.8, http://www.andre-simon.de/
-#
-# body.hl { background-color:#e0eaee; }
-# pre.hl { color:#000000; background-color:#e0eaee; font-size:10pt; font-family:'Courier New';}
-# .hl.num { color:#b07e00; }
-# .hl.esc { color:#ff00ff; }
-# .hl.str { color:#bf0303; }
-# .hl.pps { color:#818100; }
-# .hl.slc { color:#838183; font-style:italic; }
-# .hl.com { color:#838183; font-style:italic; }
-# .hl.ppc { color:#008200; }
-# .hl.opt { color:#000000; }
-# .hl.lin { color:#555555; }
-# .hl.kwa { color:#000000; font-weight:bold; }
-# .hl.kwb { color:#0057ae; }
-# .hl.kwc { color:#000000; font-weight:bold; }
-# .hl.kwd { color:#010181; }
-#
-#
-# Style definition file generated by highlight 3.13, http://www.andre-simon.de/
-#
-# body.hl { background-color:#e0eaee; }
-# pre.hl { color:#000000; background-color:#e0eaee; font-size:10pt; font-family:'Courier New',monospace;}
-# .hl.num { color:#b07e00; }
-# .hl.esc { color:#ff00ff; }
-# .hl.str { color:#bf0303; }
-# .hl.pps { color:#818100; }
-# .hl.slc { color:#838183; font-style:italic; }
-# .hl.com { color:#838183; font-style:italic; }
-# .hl.ppc { color:#008200; }
-# .hl.opt { color:#000000; }
-# .hl.ipl { color:#0057ae; }
-# .hl.lin { color:#555555; }
-# .hl.kwa { color:#000000; font-weight:bold; }
-# .hl.kwb { color:#0057ae; }
-# .hl.kwc { color:#000000; font-weight:bold; }
-# .hl.kwd { color:#010181; }
-#
-#
# The following environment variables can be used to retrieve the configuration
# of the repository for which this script is called:
# CGIT_REPO_URL ( = repo.url setting )
@@ -103,11 +39,8 @@
BASENAME="$1"
EXTENSION="${BASENAME##*.}"
-[ "${BASENAME}" = "${EXTENSION}" ] && EXTENSION=txt
-[ -z "${EXTENSION}" ] && EXTENSION=txt
-
# map Makefile and Makefile.* to .mk
-[ "${BASENAME%%.*}" = "Makefile" ] && EXTENSION=mk
+[ "${BASENAME%%.*}" == "Makefile" ] && EXTENSION=mk
# highlight versions 2 and 3 have different commandline options. Specifically,
# the -X option that is used for version 2 is replaced by the -O xhtml option
@@ -116,12 +49,25 @@ EXTENSION="${BASENAME##*.}"
# Version 2 can be found (for example) on EPEL 5, while version 3 can be
# found (for example) on EPEL 6.
#
-# Note that -I (--include-style) is not used: the stylesheet it embeds in the
-# output would override the .hl rules in cgit.css and with them any theming
-# done through the --syn-* custom properties.
-#
# This is for version 2
-exec highlight --force -f -X -S "$EXTENSION" 2>/dev/null
+exec highlight --force -f -I -X -S $EXTENSION 2>/dev/null
# This is for version 3
-#exec highlight --force -f -O xhtml -S "$EXTENSION" 2>/dev/null
+#
+# On CentOS 6.2 (using highlight from EPEL), when highlight doesn't know about
+# an EXTENSION, it outputs a lua error and _no_ text, even when the --force
+# option is used.
+#
+# Also see the bug reports at:
+# http://sourceforge.net/tracker/?func=detail&aid=3490017&group_id=215618&atid=1034391
+# https://bugzilla.redhat.com/show_bug.cgi?id=795567
+#
+# This workaround can be removed when the bug is fixed upstream and the new
+# version is packaged in most distributions.
+#
+# The workaround is to set the extension to 'txt' (plain text) when highlight
+# exits with an error (doesn't know the format).
+#
+#echo "test" | highlight -f -I -O xhtml -S $EXTENSION &>/dev/null
+#[ ${?} -ne 0 ] && EXTENSION="txt"
+#exec highlight --force -f -I -O xhtml -S $EXTENSION 2>/dev/null