ovsdb-doc: Convert '-' preceding a number as a minus sign, not a hyphen.
[sliver-openvswitch.git] / ovsdb / ovsdb-doc.in
index 6f77702..7d257c1 100755 (executable)
@@ -16,9 +16,9 @@ argv0 = sys.argv[0]
 def textToNroff(s, font=r'\fR'):
     def escape(match):
         c = match.group(0)
-        if c == '-':
-            if font == r'\fB':
-                return r'\-'
+        if c.startswith('-'):
+            if c != '-' or font == r'\fB':
+                return '\\' + c
             else:
                 return '-'
         if c == '\\':
@@ -31,7 +31,7 @@ def textToNroff(s, font=r'\fR'):
             raise error.Error("bad escape")
 
     # Escape - \ " ' as needed by nroff.
-    s = re.sub('([-"\'\\\\])', escape, s)
+    s = re.sub('(-[0-9]|[-"\'\\\\])', escape, s)
     if s.startswith('.'):
         s = '\\' + s
     return s
@@ -174,8 +174,33 @@ def columnGroupToNroff(table, groupXml):
             column = table.columns[name]
             if node.hasAttribute('key'):
                 key = node.attributes['key'].nodeValue
+                if node.hasAttribute('type'):
+                    type_string = node.attributes['type'].nodeValue
+                    type_json = ovs.json.from_string(str(type_string))
+                    if type(type_json) in (str, unicode):
+                        raise error.Error("%s %s:%s has invalid 'type': %s" 
+                                          % (table.name, name, key, type_json))
+                    type_ = ovs.db.types.BaseType.from_json(type_json)
+                else:
+                    type_ = column.type.value
+
                 nameNroff = "%s : %s" % (name, key)
                 typeNroff = "optional %s" % column.type.value.toEnglish()
+                if (column.type.value.type == ovs.db.types.StringType and
+                    type_.type == ovs.db.types.BooleanType):
+                    # This is a little more explicit and helpful than
+                    # "containing a boolean"
+                    typeNroff += r", either \fBtrue\fR or \fBfalse\fR"
+                else:
+                    if type_.type != column.type.value.type:
+                        type_english = type_.toEnglish()
+                        if type_english[0] in 'aeiou':
+                            typeNroff += ", containing an %s" % type_english
+                        else:
+                            typeNroff += ", containing a %s" % type_english
+                    constraints = type_.constraintsToEnglish(escapeNroffLiteral)
+                    if constraints:
+                        typeNroff += ", %s" % constraints
             else:
                 nameNroff = name
                 typeNroff = typeAndConstraintsToNroff(column)
@@ -245,9 +270,9 @@ def docsToNroff(schemaFile, xmlFile, erFile, title=None):
 .  I "\\$1"
 .  RE
 ..
-''' % (title, d.strftime("%B %Y"))
-
-    s += '.SH "%s DATABASE"\n' % schema.name
+.SH NAME
+%s \- %s database schema
+''' % (title, d.strftime("%B %Y"), textToNroff(title), schema.name)
 
     tables = ""
     introNodes = []
@@ -287,7 +312,8 @@ Purpose
 
     if erFile:
         s += """
-.if !'\*[.T]'ascii' \{
+.\\" check if in troff mode (TTY)
+.if t \{
 .bp
 .SH "TABLE RELATIONSHIPS"
 .PP