Options can also be set in the AsciiDoc source file. If the source file

contains a line beginning with '// a2x:' then the remainder of the line will be
treated as a2x command-line options.

2 files changed, 50 insertions, 1 deletions

diff --git a/a2x.py b/a2x.py
index 5cc6ab3..ec6d7ae 100755
--- a/a2x.py
+++ b/a2x.py
@@ -281,6 +281,44 @@ def exec_xsltproc(xsl_file, xml_file, dst_dir, opts = ''):
     finally:
         shell_cd(cwd)
 
+def get_source_options(asciidoc_file):
+    '''
+    Look for a2x command options in AsciiDoc source file.
+    Limitation: options cannot contain double-quote characters.
+    '''
+    PREFIX = '// a2x:'
+
+    def parse_line():
+        # Parse options in line to result sequence.
+        inquotes = False
+        opt = ''
+        for c in line:
+            if c == '"':
+                if inquotes:
+                    result.append(opt)
+                    opt = ''
+                    inquotes = False
+                else:
+                    inquotes = True
+            elif c == ' ':
+                if inquotes:
+                    opt += c
+                elif opt:
+                    result.append(opt)
+                    opt = ''
+            else:
+                opt += c
+        if opt:
+            result.append(opt)
+
+    result = []
+    if os.path.isfile(asciidoc_file):
+        for line in open(asciidoc_file):
+            if line.startswith(PREFIX):
+                line = line[len(PREFIX):].strip()
+                parse_line()
+    return result
+
 
 #####################################################################
 # Application class
@@ -730,12 +768,15 @@ if __name__ == '__main__':
         help='increase verbosity')
     if len(sys.argv) == 1:
         parser.parse_args(['--help'])
-    opts, args = parser.parse_args()
+    source_options = get_source_options(sys.argv[-1])
+    argv = source_options + sys.argv[1:] 
+    opts, args = parser.parse_args(argv)
     if len(args) != 1:
         parser.error('incorrect number of arguments')
     opts = eval(str(opts))  # Convert optparse.Values to dict.
     a2x = A2X(opts)
     OPTIONS = a2x           # verbose and dry_run used by utility functions.
+    verbose('args: %r' % argv)
     a2x.asciidoc_file = args[0]
     try:
         a2x.load_conf()
diff --git a/doc/a2x.1.txt b/doc/a2x.1.txt
index 1fab2ba..c9e7af2 100644
--- a/doc/a2x.1.txt
+++ b/doc/a2x.1.txt
@@ -104,6 +104,14 @@ OPTIONS
 *--dblatex-opts*='DBLATEX_OPTS'::
   Additional 'dblatex(1)' options.
 
+Options can also be set in the AsciiDoc source file. If 'FILE'
+contains a line beginning with *// a2x:* then the remainder of the
+line will be treated as 'a2x' command-line options.  Actual
+command-line options take precedence over options set in the source
+file. Example:
+
+  // a2x: -dbook --dblatex-opts "-P latex.output.revhistory=0"
+
 
 OUTPUT FILES
 ------------