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source: vbox/trunk/src/libs/libxml2-2.9.2/doc/examples/index.py@ 61509

Last change on this file since 61509 was 58072, checked in by vboxsync, 9 years ago

libxml 2.9.2 unmodified

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1#!/usr/bin/python -u
2#
3# Indexes the examples and build an XML description
4#
5import string
6import glob
7import sys
8try:
9 import libxml2
10except:
11 sys.exit(1)
12sys.path.insert(0, "..")
13from apibuild import CParser, escape
14
15examples = []
16extras = ['examples.xsl', 'index.html', 'index.py']
17tests = []
18sections = {}
19symbols = {}
20api_dict = None
21api_doc = None
22
23def load_api():
24 global api_dict
25 global api_doc
26
27 if api_dict != None:
28 return
29 api_dict = {}
30 try:
31 print "loading ../libxml2-api.xml"
32 api_doc = libxml2.parseFile("../libxml2-api.xml")
33 except:
34 print "failed to parse ../libxml2-api.xml"
35 sys.exit(1)
36
37def find_symbol(name):
38 global api_dict
39 global api_doc
40
41 if api_doc == None:
42 load_api()
43
44 if name == None:
45 return
46 if api_dict.has_key(name):
47 return api_dict[name]
48 ctxt = api_doc.xpathNewContext()
49 res = ctxt.xpathEval("/api/symbols/*[@name = '%s']" % (name))
50 if type(res) == type([]) and len(res) >= 1:
51 if len(res) > 1:
52 print "Found %d references to %s in the API" % (len(res), name)
53 node = res[0]
54 typ = node.name
55 file = node.xpathEval("string(@file)")
56 info = node.xpathEval("string(info)")
57 else:
58 print "Reference %s not found in the API" % (name)
59 return None
60 ret = (typ, file, info)
61 api_dict[name] = ret
62 return ret
63
64def parse_top_comment(filename, comment):
65 res = {}
66 lines = string.split(comment, "\n")
67 item = None
68 for line in lines:
69 while line != "" and (line[0] == ' ' or line[0] == '\t'):
70 line = line[1:]
71 while line != "" and line[0] == '*':
72 line = line[1:]
73 while line != "" and (line[0] == ' ' or line[0] == '\t'):
74 line = line[1:]
75 try:
76 (it, line) = string.split(line, ":", 1)
77 item = it
78 while line != "" and (line[0] == ' ' or line[0] == '\t'):
79 line = line[1:]
80 if res.has_key(item):
81 res[item] = res[item] + " " + line
82 else:
83 res[item] = line
84 except:
85 if item != None:
86 if res.has_key(item):
87 res[item] = res[item] + " " + line
88 else:
89 res[item] = line
90 return res
91
92def parse(filename, output):
93 global symbols
94 global sections
95
96 parser = CParser(filename)
97 parser.collect_references()
98 idx = parser.parse()
99 info = parse_top_comment(filename, parser.top_comment)
100 output.write(" <example filename='%s'>\n" % filename)
101 try:
102 synopsis = info['synopsis']
103 output.write(" <synopsis>%s</synopsis>\n" % escape(synopsis));
104 except:
105 print "Example %s lacks a synopsis description" % (filename)
106 try:
107 purpose = info['purpose']
108 output.write(" <purpose>%s</purpose>\n" % escape(purpose));
109 except:
110 print "Example %s lacks a purpose description" % (filename)
111 try:
112 usage = info['usage']
113 output.write(" <usage>%s</usage>\n" % escape(usage));
114 except:
115 print "Example %s lacks an usage description" % (filename)
116 try:
117 test = info['test']
118 output.write(" <test>%s</test>\n" % escape(test));
119 progname=filename[0:-2]
120 command=string.replace(test, progname, './' + progname, 1)
121 tests.append(command)
122 except:
123 pass
124 try:
125 author = info['author']
126 output.write(" <author>%s</author>\n" % escape(author));
127 except:
128 print "Example %s lacks an author description" % (filename)
129 try:
130 copy = info['copy']
131 output.write(" <copy>%s</copy>\n" % escape(copy));
132 except:
133 print "Example %s lacks a copyright description" % (filename)
134 try:
135 section = info['section']
136 output.write(" <section>%s</section>\n" % escape(section));
137 if sections.has_key(section):
138 sections[section].append(filename)
139 else:
140 sections[section] = [filename]
141 except:
142 print "Example %s lacks a section description" % (filename)
143 for topic in info.keys():
144 if topic != "purpose" and topic != "usage" and \
145 topic != "author" and topic != "copy" and \
146 topic != "section" and topic != "synopsis" and topic != "test":
147 str = info[topic]
148 output.write(" <extra topic='%s'>%s</extra>\n" % (
149 escape(topic), escape(str)))
150 output.write(" <includes>\n")
151 for include in idx.includes.keys():
152 if include.find("libxml") != -1:
153 output.write(" <include>%s</include>\n" % (escape(include)))
154 output.write(" </includes>\n")
155 output.write(" <uses>\n")
156 for ref in idx.references.keys():
157 id = idx.references[ref]
158 name = id.get_name()
159 line = id.get_lineno()
160 if symbols.has_key(name):
161 sinfo = symbols[name]
162 refs = sinfo[0]
163 # gather at most 5 references per symbols
164 if refs > 5:
165 continue
166 sinfo.append(filename)
167 sinfo[0] = refs + 1
168 else:
169 symbols[name] = [1, filename]
170 info = find_symbol(name)
171 if info != None:
172 type = info[0]
173 file = info[1]
174 output.write(" <%s line='%d' file='%s' name='%s'/>\n" % (type,
175 line, file, name))
176 else:
177 type = id.get_type()
178 output.write(" <%s line='%d' name='%s'/>\n" % (type,
179 line, name))
180
181 output.write(" </uses>\n")
182 output.write(" </example>\n")
183
184 return idx
185
186def dump_symbols(output):
187 global symbols
188
189 output.write(" <symbols>\n")
190 keys = symbols.keys()
191 keys.sort()
192 for symbol in keys:
193 output.write(" <symbol name='%s'>\n" % (symbol))
194 info = symbols[symbol]
195 i = 1
196 while i < len(info):
197 output.write(" <ref filename='%s'/>\n" % (info[i]))
198 i = i + 1
199 output.write(" </symbol>\n")
200 output.write(" </symbols>\n")
201
202def dump_sections(output):
203 global sections
204
205 output.write(" <sections>\n")
206 keys = sections.keys()
207 keys.sort()
208 for section in keys:
209 output.write(" <section name='%s'>\n" % (section))
210 info = sections[section]
211 i = 0
212 while i < len(info):
213 output.write(" <example filename='%s'/>\n" % (info[i]))
214 i = i + 1
215 output.write(" </section>\n")
216 output.write(" </sections>\n")
217
218def dump_Makefile():
219 for file in glob.glob('*.xml'):
220 extras.append(file)
221 for file in glob.glob('*.res'):
222 extras.append(file)
223 Makefile="""##
224## This file is auto-generated by index.py
225## DO NOT EDIT !!!
226##
227
228AM_CPPFLAGS = -I$(top_builddir)/include -I$(top_srcdir)/include -I$(srcdir)/include
229AM_CFLAGS = $(THREAD_CFLAGS) $(Z_CFLAGS)
230LDADD = $(RDL_LIBS) $(STATIC_BINARIES) $(top_builddir)/libxml2.la $(THREAD_LIBS) $(Z_LIBS) $(ICONV_LIBS) -lm $(WIN32_EXTRA_LIBADD)
231
232CLEANFILES = *.tmp
233
234if REBUILD_DOCS
235rebuild: examples.xml index.html
236.PHONY: rebuild
237
238examples.xml: index.py $(noinst_PROGRAMS:=.c)
239 cd $(srcdir) && $(PYTHON) index.py
240 $(MAKE) Makefile
241
242index.html: examples.xml examples.xsl
243 cd $(srcdir) && xsltproc examples.xsl examples.xml && echo "Rebuilt web page"
244 -cd $(srcdir) && xmllint --valid --noout index.html
245endif
246
247install-data-local:
248 $(MKDIR_P) $(DESTDIR)$(HTML_DIR)
249 -$(INSTALL) -m 0644 $(srcdir)/*.html $(srcdir)/*.c $(srcdir)/*.xml $(srcdir)/*.xsl $(srcdir)/*.res $(DESTDIR)$(HTML_DIR)
250
251clean-local:
252 test -f Makefile.am || rm -f test?.xml
253
254"""
255 examples.sort()
256 extras.sort()
257 tests.sort()
258 EXTRA_DIST=""
259 for extra in extras:
260 EXTRA_DIST = EXTRA_DIST + " \\\n\t" + extra
261 Makefile = Makefile + "EXTRA_DIST =%s\n\n" % (EXTRA_DIST)
262 noinst_PROGRAMS=""
263 for example in examples:
264 noinst_PROGRAMS = noinst_PROGRAMS + " \\\n\t" + example
265 Makefile = Makefile + "noinst_PROGRAMS =%s\n\n" % (noinst_PROGRAMS)
266 for example in examples:
267 Makefile = Makefile + "%s_SOURCES = %s.c\n\n" % (example, example)
268 Makefile = Makefile + "valgrind: \n\t$(MAKE) CHECKER='valgrind' tests\n\n"
269 Makefile = Makefile + "tests: $(noinst_PROGRAMS)\n"
270 Makefile = Makefile + "\ttest -f Makefile.am || test -f test1.xml || $(LN_S) $(srcdir)/test?.xml .\n"
271 Makefile = Makefile + "\t@(echo '## examples regression tests')\n"
272 Makefile = Makefile + "\t@(echo > .memdump)\n"
273 for test in tests:
274 Makefile = Makefile + "\t$(CHECKER) %s\n" % (test)
275 Makefile = Makefile + '\t@grep "MORY ALLO" .memdump | grep -v "MEMORY ALLOCATED : 0" ; exit 0\n'
276 try:
277 old = open("Makefile.am", "r").read()
278 if old != Makefile:
279 n = open("Makefile.am", "w").write(Makefile)
280 print "Updated Makefile.am"
281 except:
282 print "Failed to read or save Makefile.am"
283# #
284# # Autogenerate the .cvsignore too ... DEPRECATED
285# #
286# ignore = """.memdump
287#Makefile.in
288#Makefile
289#"""
290# for example in examples:
291# ignore = ignore + "%s\n" % (example)
292# try:
293# old = open(".cvsignore", "r").read()
294# if old != ignore:
295# n = open(".cvsignore", "w").write(ignore)
296# print "Updated .cvsignore"
297# except:
298# print "Failed to read or save .cvsignore"
299
300if __name__ == "__main__":
301 load_api()
302 output = open("examples.xml", "w")
303 output.write("<examples>\n")
304
305 for file in glob.glob('*.c'):
306 parse(file, output)
307 examples.append(file[:-2])
308
309 dump_symbols(output)
310 dump_sections(output)
311 output.write("</examples>\n")
312 output.close()
313 dump_Makefile()
314
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