Added to_latex and to_groff_mm methods to PEGMarkdown class.

Documented in README.markdown.
Bumped version to 1.1 in Rakefile.

README.markdown

@@ -16,6 +16,13 @@ Synopsis
     >> puts Markdown.new('_Hello World!_', :smart, :filter_html).to_html
     <p><em>Hello World!</em></p>
 
+    >> puts Markdown.new('_Hello World!_').to_latex
+    \emph{Hello World!}
+
+    >> puts Markdown.new('_Hello World!_').to_groff_mm
+    .P
+    \fIHello world!\fR
+
     >> PEGMarkdown.new('Hello! World!')
 
 Installation / Hacking

Rakefile

@@ -5,7 +5,7 @@ require 'rake/gempackagetask'
 task :default => :test
 
 DLEXT = Config::CONFIG['DLEXT']
-VERS = '1.0'
+VERS = '1.1'
 
 spec =
   Gem::Specification.new do |s|

ext/markdown.c

@@ -29,10 +29,58 @@ rb_markdown_to_html(int argc, VALUE *argv, VALUE self)
     return result;
 }
 
+static VALUE
+rb_markdown_to_latex(int argc, VALUE *argv, VALUE self)
+{
+    /* grab char pointer to markdown input text */
+    VALUE text = rb_funcall(self, rb_intern("text"), 0);
+    Check_Type(text, T_STRING);
+    char * ptext = StringValuePtr(text);
+
+    /* flip extension bits - note that defaults are different than
+     * for HTML */
+    int extensions = EXT_SMART | EXT_NOTES | EXT_FILTER_HTML | EXT_FILTER_STYLES;
+    if ( rb_funcall(self, rb_intern("smart"), 0) == Qfalse )
+        extensions = extensions & ~ EXT_SMART ;
+    if ( rb_funcall(self, rb_intern("notes"), 0) == Qfalse )
+        extensions = extensions & ~ EXT_NOTES ;
+
+    char *latex = markdown_to_string(ptext, extensions, LATEX_FORMAT);
+    VALUE result = rb_str_new2(latex);
+    free(latex);
+
+    return result;
+}
+
+static VALUE
+rb_markdown_to_groff_mm(int argc, VALUE *argv, VALUE self)
+{
+    /* grab char pointer to markdown input text */
+    VALUE text = rb_funcall(self, rb_intern("text"), 0);
+    Check_Type(text, T_STRING);
+    char * ptext = StringValuePtr(text);
+
+    /* flip extension bits - note that defaults are different than
+     * for HTML */
+    int extensions = EXT_SMART | EXT_NOTES | EXT_FILTER_HTML | EXT_FILTER_STYLES;
+    if ( rb_funcall(self, rb_intern("smart"), 0) == Qfalse )
+        extensions = extensions & ~ EXT_SMART ;
+    if ( rb_funcall(self, rb_intern("notes"), 0) == Qfalse )
+        extensions = extensions & ~ EXT_NOTES ;
+
+    char *groff = markdown_to_string(ptext, extensions, GROFF_MM_FORMAT);
+    VALUE result = rb_str_new2(groff);
+    free(groff);
+
+    return result;
+}
+
 void Init_peg_markdown()
 {
     rb_cMarkdown = rb_define_class("PEGMarkdown", rb_cObject);
     rb_define_method(rb_cMarkdown, "to_html", rb_markdown_to_html, -1);
+    rb_define_method(rb_cMarkdown, "to_latex", rb_markdown_to_latex, -1);
+    rb_define_method(rb_cMarkdown, "to_groff_mm", rb_markdown_to_groff_mm, -1);
 }
 
 // vim: ts=4 sw=4