X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fdoc%2FContextManual.pl;h=45d00dc80ab5e12279bc6091424d5a5fe442106c;hb=5dd11b748e5409f8376376f51d0a18d111cbcfdc;hp=cbb143416adfd34762ceb844ed12c725f987e18d;hpb=b104b77f5296719bd5e6de8472eb71542ddaedec;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/doc/ContextManual.pl b/cinelerra-5.1/doc/ContextManual.pl
index cbb14341..45d00dc8 100755
--- a/cinelerra-5.1/doc/ContextManual.pl
+++ b/cinelerra-5.1/doc/ContextManual.pl
@@ -12,10 +12,14 @@
 # On empty keyphrase do nothing
 # The special keyphrase "TOC" shows Contents, "IDX" shows Index
 # The keyphrase starting with "FILE:" shows the file named after colon
+# The special keyphrase "API" shows the numeric version of the script itself
 
 # Several important definitions
 
-# Web browser executable
+# ContextManual.pl script API version. Must not be changed !
+$cin_cm_api = 2;
+
+# Web browser executable, can be redefined on user's demand
 $cin_browser = $ENV{'CIN_BROWSER'};
 # a likely default browser
 $cin_browser = 'firefox' if $cin_browser eq '';
@@ -24,17 +28,19 @@ $cin_browser = 'firefox' if $cin_browser eq '';
 # a fake browser for debugging
 #$cin_browser = 'echo';
 
+# The following definitions depend on the HTML manual structure
+# There is nothing to change below this line
+
 # The node with the manual contents
 $contents_node = 'Contents.html';
 
-# The node with the manual index
-$index_node = 'Index.html';
+# The node with the actual index if needed will be found after parsing contents
+$index_node = '';
+$index = '';
 
 # Several special plugin names necessary to rewrite
 %rewrite = (
   # Rendered effects and transitions are not segmented in the Contents
-  # CD Ripper is an audio effect but erroneously placed
-  # under Rendered Video Effects in the manual
   "CD Ripper"           => "Rendered Audio Effects",
   "Normalize"           => "Rendered Audio Effects",
   "Resample"            => "Rendered Audio Effects",
@@ -75,14 +81,50 @@ $cin_dat = '.' if $cin_dat eq '';
 # Cinelerra HTML manual must reside here
 $cin_man = "$cin_dat/doc/CinelerraGG_Manual";
 $contents = $cin_man.'/'.$contents_node;
-$index = $cin_man.'/'.$index_node;
 #print "ContextManual: using contents $contents\n";
 
+# Cinelerra user's config directory
+$cin_config = $ENV{'CIN_CONFIG'};
+$cin_config = $ENV{'HOME'}.'/.bcast5'
+  if $cin_config eq '' && $ENV{'HOME'} ne '';
+$cin_config = '.' if $cin_config eq '';
+$me_config = "$cin_config/ContextManual.pl";
+#print "ContextManual: user script=$me_config\n";
+
 # 1st argument is the requested key
 $help_key = $ARGV[0];
 #print "ContextManual: request=$help_key\n";
 # Do nothing if no key requested
 exit 0 if $help_key eq '';
+
+# A special internal request: output own API version
+if ($help_key eq 'API')
+{
+  print "$cin_cm_api\n";
+  exit 0;
+}
+
+# If a system (not user's) script instance is executed, and the API versions
+# of both scripts do not match, then copy the system script to the user's one
+# (making a backup copy of the latter). Then execute it with the same key.
+if ($0 ne $me_config)
+{
+  $me_api = 0;
+  $me_api = `\"$me_config\" API` if -x $me_config;
+  if ($me_api != $cin_cm_api)
+  {
+    print "ContextManual: copying \"$0\" to \"$me_config\"\n";
+    unlink "$me_config.bak" if -f "$me_config.bak";
+    rename "$me_config", "$me_config.bak" if -f $me_config;
+    system "cp \"$0\" \"$me_config\"";
+    system "chmod +x \"$me_config\"";
+  }
+  exec "\"$me_config\" \"$help_key\"" if -x $me_config;
+}
+
+# If a user's script instance is executed, do everything by myself
+#print "ContextManual: executing \"$0\" \"$help_key\"\n";
+
 # Show contents on this special request
 if ($help_key eq 'TOC')
 {
@@ -92,6 +134,21 @@ if ($help_key eq 'TOC')
 # Show index on this special request
 if ($help_key eq 'IDX')
 {
+  # Index node will be needed now, find it
+  if ($index_node eq '')
+  {
+    $node = '';
+    open CONTENTS, $contents or die "Cannot open $contents: $!";
+    while (<CONTENTS>)
+    {
+      chomp;
+      last if ($node) = /^\s*HREF=\"(.+?\.html)\">\s*Index\s*<\/A>(?:<\/B>)?$/;
+    }
+    close CONTENTS;
+    $index_node = $node if $node ne '';
+    $index_node = 'Index.html' if $index_node eq '';
+    $index = $cin_man.'/'.$index_node;
+  }
   system "$cin_browser \"file://$index\" &";
   exit 0;
 }
@@ -116,6 +173,21 @@ if ($help_key eq 'TOC')
 # Show index on this special request
 if ($help_key eq 'IDX')
 {
+  # Index node will be needed now, find it
+  if ($index_node eq '')
+  {
+    $node = '';
+    open CONTENTS, $contents or die "Cannot open $contents: $!";
+    while (<CONTENTS>)
+    {
+      chomp;
+      last if ($node) = /^\s*HREF=\"(.+?\.html)\">\s*Index\s*<\/A>(?:<\/B>)?$/;
+    }
+    close CONTENTS;
+    $index_node = $node if $node ne '';
+    $index_node = 'Index.html' if $index_node eq '';
+    $index = $cin_man.'/'.$index_node;
+  }
   system "$cin_browser \"file://$index\" &";
   exit 0;
 }
@@ -148,6 +220,21 @@ if ($node eq '')
   }
 }
 
+# Index node will be needed now, find it
+if ($node eq '' && $index_node eq '')
+{
+  seek CONTENTS, 0, 0;
+  while (<CONTENTS>)
+  {
+    chomp;
+    last if ($node) = /^\s*HREF=\"(.+?\.html)\">\s*Index\s*<\/A>(?:<\/B>)?$/;
+  }
+  $index_node = $node if $node ne '';
+  $index_node = 'Index.html' if $index_node eq '';
+  $index = $cin_man.'/'.$index_node;
+  $node = '';
+}
+
 # If not found, search index for the exact key
 if ($node eq '')
 {
@@ -180,13 +267,13 @@ if ($node eq '')
 # If not found, grep manual for exact key instance
 if ($node eq '')
 {
-  $_ = `grep -l \"$help_key\" $cin_dat/doc/CinelerraGG_Manual/*.html`;
+  $_ = `grep -l \"$help_key\" \"$cin_dat\"/doc/CinelerraGG_Manual/*.html`;
   ($node) = split;
 }
 # If not found, grep manual for case insensitive key instance
 if ($node eq '')
 {
-  $_ = `grep -il \"$help_key\" $cin_dat/doc/CinelerraGG_Manual/*.html`;
+  $_ = `grep -il \"$help_key\" \"$cin_dat\"/doc/CinelerraGG_Manual/*.html`;
   ($node) = split;
 }