import string
import glob
import sys
try:
import libxml2
except:
sys.exit(1)
sys.path.insert(0, "..")
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(" <example filename='%s'>\n" % filename)
try:
synopsis = info['synopsis']
output.write(" <synopsis>%s</synopsis>\n" % escape(synopsis));
except:
print "Example %s lacks a synopsis description" % (filename)
try:
purpose = info['purpose']
output.write(" <purpose>%s</purpose>\n" % escape(purpose));
except:
print "Example %s lacks a purpose description" % (filename)
try:
usage = info['usage']
output.write(" <usage>%s</usage>\n" % escape(usage));
except:
print "Example %s lacks an usage description" % (filename)
try:
test = info['test']
output.write(" <test>%s</test>\n" % escape(test));
progname=filename[0:-2]
command=string.replace(test, progname, './' + progname, 1)
tests.append(command)
except:
pass
try:
author = info['author']
output.write(" <author>%s</author>\n" % escape(author));
except:
print "Example %s lacks an author description" % (filename)
try:
copy = info['copy']
output.write(" <copy>%s</copy>\n" % escape(copy));
except:
print "Example %s lacks a copyright description" % (filename)
try:
section = info['section']
output.write(" <section>%s</section>\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(" <extra topic='%s'>%s</extra>\n" % (
escape(topic), escape(str)))
output.write(" <includes>\n")
for include in idx.includes.keys():
if include.find("libxml") != -1:
output.write(" <include>%s</include>\n" % (escape(include)))
output.write(" </includes>\n")
output.write(" <uses>\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]
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(" </uses>\n")
output.write(" </example>\n")
return idx
def dump_symbols(output):
global symbols
output.write(" <symbols>\n")
keys = symbols.keys()
keys.sort()
for symbol in keys:
output.write(" <symbol name='%s'>\n" % (symbol))
info = symbols[symbol]
i = 1
while i < len(info):
output.write(" <ref filename='%s'/>\n" % (info[i]))
i = i + 1
output.write(" </symbol>\n")
output.write(" </symbols>\n")
def dump_sections(output):
global sections
output.write(" <sections>\n")
keys = sections.keys()
keys.sort()
for section in keys:
output.write(" <section name='%s'>\n" % (section))
info = sections[section]
i = 0
while i < len(info):
output.write(" <example filename='%s'/>\n" % (info[i]))
i = i + 1
output.write(" </section>\n")
output.write(" </sections>\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
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) $(DESTDIR)$(HTML_DIR)
-@INSTALL@ -m 0644 $(srcdir)/*.html $(srcdir)/*.c $(srcdir)/*.xml $(srcdir)/*.xsl $(srcdir)/*.res $(DESTDIR)$(HTML_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@ $(LDADDS)\n\n" % (example, example, example,
example, example)
Makefile = Makefile + "valgrind: \n\t$(MAKE) CHECKER='valgrind' tests\n\n"
Makefile = Makefile + "tests: $(noinst_PROGRAMS)\n"
Makefile = Makefile + "\t@(echo '## examples regression tests')\n"
Makefile = Makefile + "\t@(echo > .memdump)\n"
for test in tests:
Makefile = Makefile + "\t@($(CHECKER) %s)\n" % (test)
Makefile = Makefile + '\t@(grep "MORY ALLO" .memdump | grep -v "MEMORY ALLOCATED : 0" ; exit 0)\n'
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"
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("<examples>\n")
for file in glob.glob('*.c'):
parse(file, output)
examples.append(file[:-2])
dump_symbols(output)
dump_sections(output)
output.write("</examples>\n")
output.close()
dump_Makefile()