Args::DocWriter: Add support for asciidoc output

2 files changed, 292 insertions, 0 deletions

diff --git a/paludis/args/man.cc b/paludis/args/man.cc
index d976caf7d..0cf31e119 100644
--- a/paludis/args/man.cc
+++ b/paludis/args/man.cc
@@ -2,6 +2,7 @@
 
 /*
  * Copyright (c) 2006, 2007, 2008, 2009, 2010 Ciaran McCreesh
+ * Copyright (c) 2011 Ingmar Vanhassel
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -203,6 +204,236 @@ DocWriter::~DocWriter()
 {
 }
 
+AsciidocWriter::AsciidocWriter(std::ostream & os) :
+    _os(os)
+{
+}
+
+AsciidocWriter::~AsciidocWriter()
+{
+}
+
+void
+AsciidocWriter::heading(const std::string & name, const std::string & section_, const std::string & synopsis)
+{
+    std::string name_no_spaces(name);
+    std::replace(name_no_spaces.begin(), name_no_spaces.end(), ' ', '-');
+    _os << name_no_spaces << "(" << section_ << ")" << endl;
+    _os << std::string(name_no_spaces.size() + 3, '=') << endl << endl << endl;
+    _os << "NAME" << endl;
+    _os << "----" << endl << endl;
+    _os << name_no_spaces << " - " << synopsis << endl << endl;
+}
+
+void
+AsciidocWriter::start_usage_lines()
+{
+    _os << "SYNOPSIS" << endl;
+    _os << "--------" << endl << endl;
+}
+
+void
+AsciidocWriter::usage_line(const std::string & name, const std::string & line)
+{
+    _os << "*" << name << " " << line << "*" << endl << endl;
+}
+
+void
+AsciidocWriter::start_description(const std::string & description)
+{
+    _os << "DESCRIPTION" << endl;
+    _os << "-----------" << endl;
+    _os << description << endl;
+}
+
+void
+AsciidocWriter::extra_description(const std::string & description)
+{
+    _os << description << endl << endl;
+}
+
+void
+AsciidocWriter::end_description()
+{
+    _os << endl;
+}
+
+void
+AsciidocWriter::start_options(const std::string & s)
+{
+    std::string upper_s;
+    std::transform(s.begin(), s.end(), std::back_inserter(upper_s), &::toupper);
+    _os << upper_s << endl;
+    _os << std::string(s.size(), char('-')) << endl;
+}
+
+void
+AsciidocWriter::start_arg_group(const std::string & name, const std::string & description)
+{
+    _os << name << endl;
+    _os << std::string(name.size(), char('~')) << endl;
+    _os << description << endl << endl;
+}
+
+void
+AsciidocWriter::arg_group_item(const char & short_name, const std::string & long_name,
+        const std::string & negated_long_name, const std::string & description)
+{
+    _os << "*";
+    if (short_name)
+        _os << "-" << short_name << " , ";
+    _os << "--" << long_name;
+    if (! negated_long_name.empty())
+        _os << " (" << "--" << negated_long_name << ")";
+    _os << "*::" << endl;
+    _os << "        " << description << endl;
+    _os << endl;
+}
+
+void
+AsciidocWriter::start_extra_arg()
+{
+}
+
+void
+AsciidocWriter::extra_arg_enum(const AllowedEnumArg & e, const std::string & default_arg)
+{
+    std::string default_string;
+
+    if (e.long_name() == default_arg)
+        default_string = " (default)";
+    _os << "    *" << e.long_name();
+    if (e.short_name())
+        _os << " (" << std::string(1, e.short_name()) << ")";
+    _os << "*;;" << endl;
+    _os << "        " << e.description() << default_string << endl << endl;
+}
+
+void
+AsciidocWriter::extra_arg_string_set(const std::string & first, const std::string & second)
+{
+    _os << first << endl;
+    _os << second << endl;
+}
+
+void
+AsciidocWriter::end_extra_arg()
+{
+    _os << endl;
+}
+
+void
+AsciidocWriter::end_arg_group()
+{
+    _os << endl;
+}
+
+void
+AsciidocWriter::end_options()
+{
+    _os << endl;
+}
+
+void
+AsciidocWriter::start_environment()
+{
+    _os << "ENVIRONMENT" << endl;
+    _os << "-----------" << endl;
+}
+
+void
+AsciidocWriter::environment_line(const std::string & first, const std::string & second)
+{
+    _os << first << "::" << endl;
+    _os << second << endl;
+}
+
+void
+AsciidocWriter::end_environment()
+{
+    _os << endl;
+}
+
+void
+AsciidocWriter::start_examples()
+{
+    _os << "EXAMPLES" << endl;
+    _os << "--------" << endl;
+}
+
+void
+AsciidocWriter::example(const std::string & first, const std::string & second)
+{
+    _os << first << "::" << endl;
+    _os << second << endl;
+}
+
+void
+AsciidocWriter::end_examples()
+{
+    _os << endl;
+}
+
+void
+AsciidocWriter::start_notes()
+{
+    _os << "NOTES" << endl;
+    _os << "-----" << endl;
+}
+
+void
+AsciidocWriter::note(const std::string & s)
+{
+    _os << "* " << s << endl;
+}
+
+void
+AsciidocWriter::end_notes()
+{
+    _os << endl;
+}
+
+void
+AsciidocWriter::section(const std::string & title)
+{
+    _os << title << endl;
+    _os << std::string(title.size(), '-') << endl;
+}
+
+void
+AsciidocWriter::subsection(const std::string & title)
+{
+    _os << title << endl;
+    _os << std::string(title.size(), '~') << endl;
+}
+
+void
+AsciidocWriter::paragraph(const std::string & text)
+{
+    _os << text << endl;
+}
+
+void
+AsciidocWriter::start_see_alsos()
+{
+    _os << "SEE ALSO" << endl;
+    _os << "--------" << endl;
+}
+
+void
+AsciidocWriter::see_also(const std::string & page, const int s, const bool)
+{
+    // FIXME: Bold page
+    _os << "*" << page << "*(" << s << ")" << endl;
+}
+
+void
+AsciidocWriter::end_see_alsos()
+{
+    _os << endl;
+}
+
+
 HtmlWriter::HtmlWriter(std::ostream & os) :
     _os(os)
 {
diff --git a/paludis/args/man.hh b/paludis/args/man.hh
index 0305390eb..3ea947a4b 100644
--- a/paludis/args/man.hh
+++ b/paludis/args/man.hh
@@ -2,6 +2,7 @@
 
 /*
  * Copyright (c) 2006, 2007, 2009, 2010 Ciaran McCreesh
+ * Copyright (c) 2011 Ingmar Vanhassel
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -99,6 +100,66 @@ namespace paludis
         };
 
         /**
+         * Create Asciidoc documentation from args classes.
+         *
+         * \ingroup grplibpaludisargs
+         * \nosubgrouping
+         */
+        class PALUDIS_VISIBLE AsciidocWriter :
+            public DocWriter
+        {
+            private:
+                std::ostream & _os;
+
+            public:
+                ///\name Basic operations
+                ///\{
+                AsciidocWriter(std::ostream & os);
+                ~AsciidocWriter();
+                ///\}
+
+                void heading(const std::string & name, const std::string & section,
+                        const std::string & synopis);
+                void start_usage_lines();
+                void usage_line(const std::string & name, const std::string & line);
+
+                void start_description(const std::string & description);
+                void extra_description(const std::string & description);
+                void end_description();
+
+                void start_options(const std::string & s);
+                void start_arg_group(const std::string & name, const std::string & description);
+                void arg_group_item(const char & short_name, const std::string & long_name,
+                        const std::string & negated_long_name, const std::string & description);
+                void start_extra_arg();
+                void extra_arg_enum(const AllowedEnumArg &, const std::string & default_arg);
+                void extra_arg_string_set(const std::string & first, const std::string & second);
+                void end_extra_arg();
+                void end_arg_group();
+                void end_options();
+
+                void start_environment();
+                void environment_line(const std::string & first, const std::string & second);
+                void end_environment();
+
+                void start_examples();
+                void example(const std::string &, const std::string &);
+                void end_examples();
+
+                void start_notes();
+                void note(const std::string &);
+                void end_notes();
+
+                void section(const std::string & title);
+                void subsection(const std::string & title);
+                void paragraph(const std::string & text);
+
+                void start_see_alsos();
+                void see_also(const std::string &, const int, const bool first);
+                void end_see_alsos();
+        };
+
+        /**
          * Create HTML documentation from args classes.
          *
          * \ingroup grplibpaludisargs