www.pudn.com > libxml2.rar > index.py


#!/usr/bin/python -u
#
# Indexes the examples and build an XML description
#
import string
import glob
import sys
try:
    import libxml2
except:
    sys.exit(1)
sys.path.append("..")
from apibuild import CParser, escape

examples = []
extras = ['examples.xsl', 'index.py']
tests = []
sections = {}
symbols = {}
api_dict = None
api_doc = None

def load_api():
    global api_dict
    global api_doc

    if api_dict != None:
        return
    api_dict = {}
    try:
        print "loading ../libxml2-api.xml"
        api_doc = libxml2.parseFile("../libxml2-api.xml")
    except:
        print "failed to parse ../libxml2-api.xml"
	sys.exit(1)

def find_symbol(name):
    global api_dict
    global api_doc

    if api_doc == None:
        load_api()

    if name == None:
        return
    if api_dict.has_key(name):
        return api_dict[name]
    ctxt = api_doc.xpathNewContext()
    res = ctxt.xpathEval("/api/symbols/*[@name = '%s']" % (name))
    if type(res) == type([]) and len(res) >= 1:
        if len(res) > 1:
	    print "Found %d references to %s in the API" % (len(res), name)
	node = res[0]
	typ = node.name
	file = node.xpathEval("string(@file)")
	info = node.xpathEval("string(info)")
    else:
        print "Reference %s not found in the API" % (name)
	return None
    ret = (typ, file, info)
    api_dict[name] = ret
    return ret

def parse_top_comment(filename, comment):
    res = {}
    lines = string.split(comment, "\n")
    item = None
    for line in lines:
        while line != "" and (line[0] == ' ' or line[0] == '\t'):
	    line = line[1:]
        while line != "" and line[0] == '*':
	    line = line[1:]
        while line != "" and (line[0] == ' ' or line[0] == '\t'):
	    line = line[1:]
	try:
	    (it, line) = string.split(line, ":", 1)
	    item = it
	    while line != "" and (line[0] == ' ' or line[0] == '\t'):
		line = line[1:]
	    if res.has_key(item):
	        res[item] = res[item] + " " + line
	    else:
		res[item] = line
	except:
	    if item != None:
	        if res.has_key(item):
		    res[item] = res[item] + " " + line
		else:
		    res[item] = line
    return res

def parse(filename, output):
    global symbols
    global sections

    parser = CParser(filename)
    parser.collect_references()
    idx = parser.parse()
    info = parse_top_comment(filename, parser.top_comment)
    output.write("  \n" % filename)
    try:
        synopsis = info['synopsis']
	output.write("    %s\n" % escape(synopsis));
    except:
        print "Example %s lacks a synopsis description" % (filename)
    try:
        purpose = info['purpose']
	output.write("    %s\n" % escape(purpose));
    except:
        print "Example %s lacks a purpose description" % (filename)
    try:
        usage = info['usage']
	output.write("    %s\n" % escape(usage));
    except:
        print "Example %s lacks an usage description" % (filename)
    try:
        test = info['test']
	output.write("    %s\n" % escape(test));
	tests.append(test)
    except:
        pass
    try:
        author = info['author']
	output.write("    %s\n" % escape(author));
    except:
        print "Example %s lacks an author description" % (filename)
    try:
        copy = info['copy']
	output.write("    %s\n" % escape(copy));
    except:
        print "Example %s lacks a copyright description" % (filename)
    try:
        section = info['section']
	output.write("    
%s
\n" % escape(section)); if sections.has_key(section): sections[section].append(filename) else: sections[section] = [filename] except: print "Example %s lacks a section description" % (filename) for topic in info.keys(): if topic != "purpose" and topic != "usage" and \ topic != "author" and topic != "copy" and \ topic != "section" and topic != "synopsis" and topic != "test": str = info[topic] output.write(" %s\n" % ( escape(topic), escape(str))) output.write(" \n") for include in idx.includes.keys(): if include.find("libxml") != -1: output.write(" %s\n" % (escape(include))) output.write(" \n") output.write(" \n") for ref in idx.references.keys(): id = idx.references[ref] name = id.get_name() line = id.get_lineno() if symbols.has_key(name): sinfo = symbols[name] refs = sinfo[0] # gather at most 5 references per symbols if refs > 5: continue sinfo.append(filename) sinfo[0] = refs + 1 else: symbols[name] = [1, filename] info = find_symbol(name) if info != None: type = info[0] file = info[1] output.write(" <%s line='%d' file='%s' name='%s'/>\n" % (type, line, file, name)) else: type = id.get_type() output.write(" <%s line='%d' name='%s'/>\n" % (type, line, name)) output.write(" \n") output.write("
\n") return idx def dump_symbols(output): global symbols output.write(" \n") keys = symbols.keys() keys.sort() for symbol in keys: output.write(" \n" % (symbol)) info = symbols[symbol] i = 1 while i < len(info): output.write(" \n" % (info[i])) i = i + 1 output.write(" \n") output.write(" \n") def dump_sections(output): global sections output.write(" \n") keys = sections.keys() keys.sort() for section in keys: output.write("
\n" % (section)) info = sections[section] i = 0 while i < len(info): output.write(" \n" % (info[i])) i = i + 1 output.write("
\n") output.write("
\n") def dump_Makefile(): for file in glob.glob('*.xml'): extras.append(file) for file in glob.glob('*.res'): extras.append(file) Makefile="""# Beware this is autogenerated by index.py HTML_DIR=$(datadir)/doc DOC_MODULE=libxml2-$(VERSION) TARGET_DIR=$(HTML_DIR)/$(DOC_MODULE)/examples INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include -I@srcdir@/include @THREAD_CFLAGS@ @Z_CFLAGS@ DEPS = $(top_builddir)/libxml2.la LDADDS = @STATIC_BINARIES@ $(top_builddir)/libxml2.la @THREAD_LIBS@ @Z_LIBS@ $(ICONV_LIBS) -lm @WIN32_EXTRA_LIBADD@ rebuild: examples.xml index.html examples.xml: index.py *.c -@($(srcdir)/index.py) index.html: examples.xml examples.xsl -@(xsltproc examples.xsl examples.xml && echo "Rebuilt web page" && xmllint --valid --noout index.html) install-data-local: $(mkinstalldirs) $(DESTDIR)$(TARGET_DIR) -@INSTALL@ -m 0644 $(srcdir)/*.html $(srcdir)/*.c $(srcdir)/*.xml $(srcdir)/*.xsl $(srcdir)/*.res $(DESTDIR)$(TARGET_DIR) """ EXTRA_DIST="" for extra in extras: EXTRA_DIST = EXTRA_DIST + extra + " " Makefile = Makefile + "EXTRA_DIST=%s\n\n" % (EXTRA_DIST) noinst_PROGRAMS="" for example in examples: noinst_PROGRAMS = noinst_PROGRAMS + example + " " Makefile = Makefile + "noinst_PROGRAMS=%s\n\n" % (noinst_PROGRAMS) for example in examples: Makefile = Makefile + "%s_SOURCES=%s.c\n%s_LDFLAGS=\n%s_DEPENDENCIES= $(DEPS)\n%s_LDADD= @RDL_LIBS@ $(LDADDS)\n\n" % (example, example, example, example, example) Makefile = Makefile + "tests: $(noinst_PROGRAMS)\n" for test in tests: Makefile = Makefile + "\t@(%s)\n" % (test) Makefile = Makefile + "\n\n" try: old = open("Makefile.am", "r").read() if old != Makefile: n = open("Makefile.am", "w").write(Makefile) print "Updated Makefile.am" except: print "Failed to read or save Makefile.am" # # Autogenerate the .cvsignore too ... # ignore = """.memdump Makefile.in Makefile """ for example in examples: ignore = ignore + "%s\n" % (example) try: old = open(".cvsignore", "r").read() if old != ignore: n = open(".cvsignore", "w").write(ignore) print "Updated .cvsignore" except: print "Failed to read or save .cvsignore" if __name__ == "__main__": load_api() output = open("examples.xml", "w") output.write("\n") for file in glob.glob('*.c'): parse(file, output) examples.append(file[:-2]) dump_symbols(output) dump_sections(output) output.write("\n") output.close() dump_Makefile()