diff options
Diffstat (limited to 'engine-ocean/External/glew/auto/bin/parse_xml.py')
-rw-r--r-- | engine-ocean/External/glew/auto/bin/parse_xml.py | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/engine-ocean/External/glew/auto/bin/parse_xml.py b/engine-ocean/External/glew/auto/bin/parse_xml.py new file mode 100644 index 0000000..28ecb9f --- /dev/null +++ b/engine-ocean/External/glew/auto/bin/parse_xml.py @@ -0,0 +1,145 @@ +#!/usr/bin/env python + +import re +import sys +from xml.dom.minidom import parse, Node + +# +# DOM traversal utility functions +# + +def findChildren(node, path): + result = [] + if len(path)==1: + for i in node.childNodes: + if i.nodeType==Node.ELEMENT_NODE: + if i.tagName==path[0]: + result.append(i) + else: + for i in node.childNodes: + if i.nodeType==Node.ELEMENT_NODE: + if i.tagName==path[0]: + result.extend(findChildren(i, path[1:])) + return result + +def findData(node, path): + return [ i.firstChild.data for i in findChildren(node, path) ] + +isPointer = re.compile('(.*)([ ]+)([*]+)') + +def findParams(node): + n = findData(node, ['name'])[0] + t = '' + for i in node.childNodes: + if i.nodeType==Node.TEXT_NODE: + t += i.data + if i.nodeType==Node.ELEMENT_NODE and i.tagName=='ptype': + t += i.firstChild.data + + t.strip() + m = isPointer.match(t) + if m: + t = ('%s%s'%(m.group(1), m.group(3))).strip() + return ( t, n.strip()) + +def findEnums(dom): + return {i.getAttribute('name'): i.getAttribute('value') for i in findChildren(dom, [ 'registry', 'enums', 'enum' ])} + +def findCommands(dom): + ret = {} + for i in findChildren(dom, [ 'registry', 'commands', 'command' ]): + r,n = findParams(findChildren(i, ['proto'])[0]) + p = [ findParams(j) for j in findChildren(i, ['param'])] + ret[n] = (r, p) + return ret + +def findFeatures(dom): + ret = {} + for i in findChildren(dom, [ 'registry', 'feature' ]): + n = i.getAttribute('name') + e = [j.getAttribute("name") for j in findChildren(i, [ 'require', 'enum' ])] + c = [j.getAttribute("name") for j in findChildren(i, [ 'require', 'command' ])] + ret[n] = (e,c) + return ret + +def findExtensions(dom): + ret = {} + for i in findChildren(dom, [ 'registry', 'extensions', 'extension' ]): + n = i.getAttribute('name') + e = [j.getAttribute("name") for j in findChildren(i, [ 'require', 'enum' ])] + c = [j.getAttribute("name") for j in findChildren(i, [ 'require', 'command' ])] + ret[n] = (e,c) + return ret + +def findApi(dom, name): + enums = findEnums(dom) + commands = findCommands(dom) + features = findFeatures(dom) + extensions = findExtensions(dom) + return (enums, commands, features, extensions) + +# +# +# + +isWGL = re.compile('WGL_([A-Z0-9]+)_.*') + +def writeExtension(f, name, extension, enums, commands): + f.write(('%s\n'%name).encode()) + + url = 'https://www.khronos.org/registry/egl/specs/eglspec.1.5.pdf' + + m = isWGL.match(name) + if m: + url = 'https://www.khronos.org/registry/OpenGL/extensions/%s/%s.txt'%(m.group(1), name) + + f.write(('%s\n'%(url)).encode()) + + if name.find('_VERSION_')==-1: + f.write(('%s\n'%name).encode()) + else: + f.write('\n'.encode()) + f.write('\n'.encode()) + + enums = [ (j, enums[j]) for j in extension[0] ] + for e in sorted(enums, key=lambda i: i[1]): + f.write(('\t%s %s\n'%(e[0], e[1])).encode()) + + commands = [ (j, commands[j]) for j in extension[1] ] + for c in sorted(commands): + params = ', '.join( [ '%s %s'%(j[0].strip(), j[1].strip()) for j in c[1][1] ] ) + if len(params)==0: + params = 'void' + f.write(('\t%s %s (%s)\n'%(c[1][0].strip(), c[0].strip(), params)).encode()) + +if __name__ == '__main__': + + from argparse import ArgumentParser + import os + + parser = ArgumentParser(description='usage: %prog [options] [XML specs...]') + parser.add_argument("--core", dest="core", help="location for core outputs", default='') + parser.add_argument("--api", dest="name", help="API name: egl, wgl, glx, etc", default='') + parser.add_argument("--extensions", dest="extensions", help="location for extensions outputs", default='') + + (options, args) = parser.parse_known_args() + options = vars(options) + + for i in args: + + dom = parse(i) + api = findApi(dom, options['name']) + + print('Found {} enums, {} commands, {} features and {} extensions.'.format( + len(api[0]), len(api[1]), len(api[2]), len(api[3]))) + + if len(options['core']): + for i in api[2].keys(): + with open(os.path.join(options['core'], i), 'wb') as f: + writeExtension(f, i, api[2][i], api[0], api[1]) + + if len(options['extensions']): + for i in api[3].keys(): + with open(os.path.join(options['extensions'], i), 'wb') as f: + writeExtension(f, i, api[3][i], api[0], api[1]) + |