1 files changed, 151 insertions, 0 deletions
diff --git a/tools/c-constants-gen.py b/tools/c-constants-gen.py
new file mode 100644
index 000000000..f338257aa
--- /dev/null
+++ b/tools/c-constants-gen.py
@@ -0,0 +1,151 @@
+#!/usr/bin/python
+
+from sys import argv, stdout, stderr
+import xml.dom.minidom
+
+from libglibcodegen import NS_TP, camelcase_to_upper, get_docstring, \
+        get_descendant_text, get_by_path
+
+class Generator(object):
+    def __init__(self, prefix, dom):
+        self.prefix = prefix + '_'
+        self.spec = get_by_path(dom, "spec")[0]
+
+    def __call__(self):
+        self.do_header()
+        self.do_body()
+        self.do_footer()
+
+    # Header
+    def do_header(self):
+        stdout.write('/* Generated from ')
+        stdout.write(get_descendant_text(get_by_path(self.spec, 'title')))
+        version = get_by_path(self.spec, "version")
+        if version:
+            stdout.write(', version ' + get_descendant_text(version))
+        stdout.write('\n\n')
+        for copyright in get_by_path(self.spec, 'copyright'):
+            stdout.write(get_descendant_text(copyright))
+            stdout.write('\n')
+        stdout.write(get_descendant_text(get_by_path(self.spec, 'license')))
+        stdout.write('\n')
+        stdout.write(get_descendant_text(get_by_path(self.spec, 'docstring')))
+        stdout.write("""
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+\n""")
+
+    # Body
+    def do_body(self):
+        for elem in self.spec.getElementsByTagNameNS(NS_TP, '*'):
+            if elem.localName == 'flags':
+                self.do_flags(elem)
+            elif elem.localName == 'enum':
+                self.do_enum(elem)
+
+    def do_flags(self, flags):
+        name = flags.getAttribute('plural') or flags.getAttribute('name')
+        value_prefix = flags.getAttribute('singular') or \
+                       flags.getAttribute('value-prefix') or \
+                       flags.getAttribute('name')
+        stdout.write("""\
+/**
+ *
+%s:
+""" % (self.prefix + name).replace('_', ''))
+        for flag in get_by_path(flags, 'flag'):
+            self.do_gtkdoc(flag, value_prefix)
+        stdout.write(' *\n')
+        docstrings = get_by_path(flags, 'docstring')
+        if docstrings:
+            stdout.write("""\
+ * <![CDATA[%s]]>
+ *
+""" % get_descendant_text(docstrings).replace('\n', ' '))
+        stdout.write("""\
+ * Bitfield/set of flags generated from the Telepathy specification.
+ */
+typedef enum {
+""")
+        for flag in get_by_path(flags, 'flag'):
+            self.do_val(flag, value_prefix)
+        stdout.write("""\
+} %s;
+
+""" % (self.prefix + name).replace('_', ''))
+
+    def do_enum(self, enum):
+        name = enum.getAttribute('singular') or enum.getAttribute('name')
+        value_prefix = enum.getAttribute('singular') or \
+                       enum.getAttribute('value-prefix') or \
+                       enum.getAttribute('name')
+        name_plural = enum.getAttribute('plural') or \
+                      enum.getAttribute('name') + 's'
+        stdout.write("""\
+/**
+ *
+%s:
+""" % (self.prefix + name).replace('_', ''))
+        vals = get_by_path(enum, 'enumvalue')
+        for val in vals:
+            self.do_gtkdoc(val, value_prefix)
+        stdout.write(' *\n')
+        docstrings = get_by_path(enum, 'docstring')
+        if docstrings:
+            stdout.write("""\
+ * <![CDATA[%s]]>
+ *
+""" % get_descendant_text(docstrings).replace('\n', ' '))
+        stdout.write("""\
+ * Bitfield/set of flags generated from the Telepathy specification.
+ */
+typedef enum {
+""")
+        for val in vals:
+            self.do_val(val, value_prefix)
+        stdout.write("""\
+} %(mixed-name)s;
+
+/**
+ * NUM_%(upper-plural)s:
+ *
+ * 1 higher than the highest valid value of #%(mixed-name)s.
+ */
+#define NUM_%(upper-plural)s (%(last-val)s+1)
+
+""" % {'mixed-name' : (self.prefix + name).replace('_', ''),
+       'upper-plural' : (self.prefix + name_plural).upper(),
+       'last-val' : vals[-1].getAttribute('value')})
+
+    def do_val(self, val, value_prefix):
+        name = val.getAttribute('name')
+        suffix = val.getAttribute('suffix')
+        use_name = (self.prefix + value_prefix + '_' + \
+                (suffix or name)).upper()
+        assert not (name and suffix) or name == suffix, \
+                'Flag/enumvalue name %s != suffix %s' % (name, suffix)
+        stdout.write('    %s = %s,\n' % (use_name, val.getAttribute('value')))
+
+    def do_gtkdoc(self, node, value_prefix):
+        stdout.write(' * @')
+        stdout.write((self.prefix + value_prefix + '_' +
+            node.getAttribute('suffix')).upper())
+        stdout.write(': <![CDATA[')
+        docstring = get_by_path(node, 'docstring')
+        stdout.write(get_descendant_text(docstring).replace('\n', ' '))
+        stdout.write(']]>\n')
+
+    # Footer
+    def do_footer(self):
+        stdout.write("""
+#ifdef __cplusplus
+}
+#endif
+""")
+
+if __name__ == '__main__':
+    argv = argv[1:]
+    Generator(argv[0], xml.dom.minidom.parse(argv[1]))()