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#!/usr/bin/python2
# -*- Mode: Python; py-indent-offset: 8 -*-
# (C) Copyright Zack Rusin 2005
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# on the rights to use, copy, modify, merge, publish, distribute, sub
# license, and/or sell copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# Authors:
# Zack Rusin <zack@kde.org>
from xml.sax import saxutils
from xml.sax import make_parser
from xml.sax.handler import feature_namespaces
import license
import gl_XML
import sys, getopt
class PrintGlEnums(gl_XML.FilterGLAPISpecBase):
name = "gl_enums.py (from Mesa)"
def __init__(self):
gl_XML.FilterGLAPISpecBase.__init__(self)
self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2005 Brian Paul All Rights Reserved.""", "BRIAN PAUL")
def printRealHeader(self):
print '#include "glheader.h"'
print '#include "enums.h"'
print '#include "imports.h"'
print ''
print 'typedef struct {'
print ' const char *c;'
print ' int n;'
print '} enum_elt;'
print ''
print 'static enum_elt all_enums[] ='
print '{'
return
def printRealFooter(self):
print """
};
#define Elements(x) sizeof(x)/sizeof(*x)
typedef int (*cfunc)(const void *, const void *);
static enum_elt **index1;
static int sorted;
static int compar_name( const enum_elt *a, const enum_elt *b )
{
return _mesa_strcmp(a->c, b->c);
}
/* note the extra level of indirection
*/
static int compar_nr( const enum_elt **a, const enum_elt **b )
{
return (*a)->n - (*b)->n;
}
static void sort_enums( void )
{
GLuint i;
index1 = (enum_elt **)MALLOC( Elements(all_enums) * sizeof(enum_elt *) );
sorted = 1;
if (!index1)
return; /* what else can we do? */
qsort( all_enums, Elements(all_enums), sizeof(*all_enums),
(cfunc) compar_name );
for (i = 0 ; i < Elements(all_enums) ; i++)
index1[i] = &all_enums[i];
qsort( index1, Elements(all_enums), sizeof(*index1), (cfunc) compar_nr );
}
int _mesa_lookup_enum_by_name( const char *symbol )
{
enum_elt tmp;
enum_elt *e;
if (!sorted)
sort_enums();
if (!symbol)
return 0;
tmp.c = symbol;
e = (enum_elt *)bsearch( &tmp, all_enums, Elements(all_enums),
sizeof(*all_enums), (cfunc) compar_name );
return e ? e->n : -1;
}
static char token_tmp[20];
const char *_mesa_lookup_enum_by_nr( int nr )
{
enum_elt tmp, *e, **f;
if (!sorted)
sort_enums();
tmp.n = nr;
e = &tmp;
f = (enum_elt **)bsearch( &e, index1, Elements(all_enums),
sizeof(*index1), (cfunc) compar_nr );
if (f) {
return (*f)->c;
}
else {
/* this isn't re-entrant safe, no big deal here */
_mesa_sprintf(token_tmp, "0x%x", nr);
return token_tmp;
}
}
"""
return
def printFunctions(self):
for enum in self.enums:
print ' { "%s", 0x%X },' % (enum.name, enum.value)
return
def show_usage():
print "Usage: %s [-f input_file_name]" % sys.argv[0]
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
(args, trail) = getopt.getopt(sys.argv[1:], "f:")
except Exception,e:
show_usage()
for (arg,val) in args:
if arg == "-f":
file_name = val
dh = PrintGlEnums()
parser = make_parser()
parser.setFeature(feature_namespaces, 0)
parser.setContentHandler(dh)
f = open(file_name)
dh.printHeader()
parser.parse(f)
dh.printFooter()
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