generate_param: add a means to generate param_table_gen.c from the docs

This is triggered by the new argument PARAMTABLE.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

1 files changed, 104 insertions, 3 deletions

diff --git a/script/generate_param.py b/script/generate_param.py
index b71d3aac35d..611bafa9c5e 100644
--- a/script/generate_param.py
+++ b/script/generate_param.py
@@ -35,8 +35,8 @@ parser.add_option("-f", "--file", dest="filename",
                   help="input file", metavar="FILE")
 parser.add_option("-o", "--output", dest="output",
                   help='output file', metavar="FILE")
-parser.add_option("--mode", type="choice", metavar="<FUNCTIONS|S3PROTO|LIBPROTO|PARAMDEFS>",
-                 choices=["FUNCTIONS", "S3PROTO", "LIBPROTO", "PARAMDEFS"], default="FUNCTIONS")
+parser.add_option("--mode", type="choice", metavar="<FUNCTIONS|S3PROTO|LIBPROTO|PARAMDEFS|PARAMTABLE>",
+                 choices=["FUNCTIONS", "S3PROTO", "LIBPROTO", "PARAMDEFS", "PARAMTABLE"], default="FUNCTIONS")
 parser.add_option("--scope", metavar="<GLOBAL|LOCAL>",
                   choices = ["GLOBAL", "LOCAL"], default="GLOBAL")
 
@@ -69,6 +69,11 @@ def iterate_all(path):
         synonym = parameter.attrib.get("synonym")
         removed = parameter.attrib.get("removed")
         generated = parameter.attrib.get("generated_function")
+        handler = parameter.attrib.get("handler")
+        enumlist = parameter.attrib.get("enumlist")
+        deprecated = parameter.attrib.get("deprecated")
+        synonyms = parameter.findall('synonym')
+
         if removed == "1":
             continue
 
@@ -78,6 +83,10 @@ def iterate_all(path):
             raise Exception("Error parsing parameter: " + name)
         if func is None:
             func = name.replace(" ", "_").lower()
+        if enumlist is None:
+            enumlist = "NULL"
+        if handler is None:
+            handler = "NULL"
         yield {'name': name,
                'type': param_type,
                'context': context,
@@ -85,7 +94,11 @@ def iterate_all(path):
                'constant': (constant == '1'),
                'parm': (parm == '1'),
                'synonym' : synonym,
-               'generated' : generated }
+               'generated' : generated,
+               'enumlist' : enumlist,
+               'handler' : handler,
+               'deprecated' : deprecated,
+               'synonyms' : synonyms }
 
 # map doc attributes to a section of the generated function
 context_dict = {"G": "_GLOBAL", "S": "_LOCAL"}
@@ -296,6 +309,92 @@ def make_param_defs(path_in, path_out, scope):
     finally:
         file_out.close()
 
+type_dict = {
+              "boolean"      : "P_BOOL",
+              "boolean-rev"  : "P_BOOLREV",
+              "boolean-auto" : "P_ENUM",
+              "list"         : "P_LIST",
+              "string"       : "P_STRING",
+              "integer"      : "P_INTEGER",
+              "enum"         : "P_ENUM",
+              "char"         : "P_CHAR",
+              "cmdlist"      : "P_CMDLIST",
+              "bytes"        : "P_BYTES",
+              "octal"        : "P_OCTAL",
+              "ustring"      : "P_USTRING",
+            }
+
+def make_param_table(path_in, path_out):
+    file_out = open(path_out, 'w')
+    try:
+        file_out.write('/* This file was automatically generated by generate_param.py. DO NOT EDIT */\n\n')
+        header = get_header(path_out)
+        file_out.write("#ifndef %s\n" % header)
+        file_out.write("#define %s\n\n" % header)
+
+        file_out.write("struct parm_struct parm_table[] = {\n")
+
+        for parameter in iterate_all(path_in):
+            # filter out parameteric options
+            if ':' in parameter['name']:
+                continue
+            if parameter['context'] == 'G':
+                p_class = "P_GLOBAL"
+            else:
+                p_class = "P_LOCAL"
+
+            p_type = type_dict.get(parameter['type'])
+
+            if parameter['context'] == 'G':
+                temp = "GLOBAL"
+            else:
+                temp = "LOCAL"
+            offset = "%s_VAR(%s)" % (temp, parameter['function'])
+
+            enumlist = parameter['enumlist']
+            handler = parameter['handler']
+            synonym = parameter['synonym']
+            deprecated = parameter['deprecated']
+            flags_list = []
+            if synonym == "1":
+                flags_list.append("FLAG_SYNONYM")
+            if deprecated == "1":
+                flags_list.append("FLAG_DEPRECATED")
+            flags = "|".join(flags_list)
+            synonyms = parameter['synonyms']
+
+            file_out.write("\t{\n")
+            file_out.write("\t\t.label\t\t= \"%s\",\n" % parameter['name'])
+            file_out.write("\t\t.type\t\t= %s,\n" % p_type)
+            file_out.write("\t\t.p_class\t= %s,\n" % p_class)
+            file_out.write("\t\t.offset\t\t= %s,\n" % offset)
+            file_out.write("\t\t.special\t= %s,\n" % handler)
+            file_out.write("\t\t.enum_list\t= %s,\n" % enumlist)
+            if flags != "":
+                file_out.write("\t\t.flags\t\t= %s,\n" % flags)
+            file_out.write("\t},\n")
+
+            if synonyms is not None:
+                # for synonyms, we only list the synonym flag:
+                flags = "FLAG_SYNONYM"
+                for syn in synonyms:
+                    file_out.write("\t{\n")
+                    file_out.write("\t\t.label\t\t= \"%s\",\n" % syn.text)
+                    file_out.write("\t\t.type\t\t= %s,\n" % p_type)
+                    file_out.write("\t\t.p_class\t= %s,\n" % p_class)
+                    file_out.write("\t\t.offset\t\t= %s,\n" % offset)
+                    file_out.write("\t\t.special\t= %s,\n" % handler)
+                    file_out.write("\t\t.enum_list\t= %s,\n" % enumlist)
+                    if flags != "":
+                        file_out.write("\t\t.flags\t\t= %s,\n" % flags)
+                    file_out.write("\t},\n")
+
+        file_out.write("\n\t{NULL,  P_BOOL,  P_NONE,  0,  NULL,  NULL,  0}\n");
+        file_out.write("};\n")
+        file_out.write("\n#endif /* %s */\n\n" % header)
+    finally:
+        file_out.close()
+
 if options.mode == 'FUNCTIONS':
     generate_functions(options.filename, options.output)
 elif options.mode == 'S3PROTO':
@@ -304,3 +403,5 @@ elif options.mode == 'LIBPROTO':
     make_lib_proto(options.filename, options.output)
 elif options.mode == 'PARAMDEFS':
     make_param_defs(options.filename, options.output, options.scope)
+elif options.mode == 'PARAMTABLE':
+    make_param_table(options.filename, options.output)