summaryrefslogtreecommitdiffstats
path: root/doc/mkapiref.py
diff options
context:
space:
mode:
Diffstat (limited to '')
-rwxr-xr-xdoc/mkapiref.py343
1 files changed, 343 insertions, 0 deletions
diff --git a/doc/mkapiref.py b/doc/mkapiref.py
new file mode 100755
index 0000000..df59fbc
--- /dev/null
+++ b/doc/mkapiref.py
@@ -0,0 +1,343 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# nghttp2 - HTTP/2 C Library
+#
+# Copyright (c) 2020 nghttp2 contributors
+# Copyright (c) 2020 ngtcp2 contributors
+# Copyright (c) 2012 Tatsuhiro Tsujikawa
+#
+# 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 the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, 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 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
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 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.
+
+# Generates API reference from C source code.
+
+import re, sys, argparse, os.path
+
+class FunctionDoc:
+ def __init__(self, name, content, domain, filename):
+ self.name = name
+ self.content = content
+ self.domain = domain
+ if self.domain == 'function':
+ self.funcname = re.search(r'(nghttp2_[^ )]+)\(', self.name).group(1)
+ self.filename = filename
+
+ def write(self, out):
+ out.write('.. {}:: {}\n'.format(self.domain, self.name))
+ out.write('\n')
+ for line in self.content:
+ out.write(' {}\n'.format(line))
+
+class StructDoc:
+ def __init__(self, name, content, members, member_domain):
+ self.name = name
+ self.content = content
+ self.members = members
+ self.member_domain = member_domain
+
+ def write(self, out):
+ if self.name:
+ out.write('.. type:: {}\n'.format(self.name))
+ out.write('\n')
+ for line in self.content:
+ out.write(' {}\n'.format(line))
+ out.write('\n')
+ for name, content in self.members:
+ out.write(' .. {}:: {}\n'.format(self.member_domain, name))
+ out.write('\n')
+ for line in content:
+ out.write(' {}\n'.format(line))
+ out.write('\n')
+
+class EnumDoc:
+ def __init__(self, name, content, members):
+ self.name = name
+ self.content = content
+ self.members = members
+
+ def write(self, out):
+ if self.name:
+ out.write('.. type:: {}\n'.format(self.name))
+ out.write('\n')
+ for line in self.content:
+ out.write(' {}\n'.format(line))
+ out.write('\n')
+ for name, content in self.members:
+ out.write(' .. enum:: {}\n'.format(name))
+ out.write('\n')
+ for line in content:
+ out.write(' {}\n'.format(line))
+ out.write('\n')
+
+class MacroDoc:
+ def __init__(self, name, content):
+ self.name = name
+ self.content = content
+
+ def write(self, out):
+ out.write('''.. macro:: {}\n'''.format(self.name))
+ out.write('\n')
+ for line in self.content:
+ out.write(' {}\n'.format(line))
+
+class MacroSectionDoc:
+ def __init__(self, content):
+ self.content = content
+
+ def write(self, out):
+ out.write('\n')
+ c = ' '.join(self.content).strip()
+ out.write(c)
+ out.write('\n')
+ out.write('-' * len(c))
+ out.write('\n\n')
+
+class TypedefDoc:
+ def __init__(self, name, content):
+ self.name = name
+ self.content = content
+
+ def write(self, out):
+ out.write('''.. type:: {}\n'''.format(self.name))
+ out.write('\n')
+ for line in self.content:
+ out.write(' {}\n'.format(line))
+
+def make_api_ref(infile):
+ macros = []
+ enums = []
+ types = []
+ functions = []
+ while True:
+ line = infile.readline()
+ if not line:
+ break
+ elif line == '/**\n':
+ line = infile.readline()
+ doctype = line.split()[1]
+ if doctype == '@function':
+ functions.append(process_function('function', infile))
+ elif doctype == '@functypedef':
+ types.append(process_function('type', infile))
+ elif doctype == '@struct' or doctype == '@union':
+ types.append(process_struct(infile))
+ elif doctype == '@enum':
+ enums.append(process_enum(infile))
+ elif doctype == '@macro':
+ macros.append(process_macro(infile))
+ elif doctype == '@macrosection':
+ macros.append(process_macrosection(infile))
+ elif doctype == '@typedef':
+ types.append(process_typedef(infile))
+ return macros, enums, types, functions
+
+def output(
+ title, indexfile, macrosfile, enumsfile, typesfile, funcsdir,
+ macros, enums, types, functions):
+ indexfile.write('''
+{title}
+{titledecoration}
+
+.. toctree::
+ :maxdepth: 1
+
+ {macros}
+ {enums}
+ {types}
+'''.format(
+ title=title, titledecoration='='*len(title),
+ macros=os.path.splitext(os.path.basename(macrosfile.name))[0],
+ enums=os.path.splitext(os.path.basename(enumsfile.name))[0],
+ types=os.path.splitext(os.path.basename(typesfile.name))[0],
+))
+
+ for doc in functions:
+ indexfile.write(' {}\n'.format(doc.funcname))
+
+ macrosfile.write('''
+Macros
+======
+''')
+ for doc in macros:
+ doc.write(macrosfile)
+
+ enumsfile.write('''
+Enums
+=====
+''')
+ for doc in enums:
+ doc.write(enumsfile)
+
+ typesfile.write('''
+Types (structs, unions and typedefs)
+====================================
+''')
+ for doc in types:
+ doc.write(typesfile)
+
+ for doc in functions:
+ with open(os.path.join(funcsdir, doc.funcname + '.rst'), 'w') as f:
+ f.write('''
+{funcname}
+{secul}
+
+Synopsis
+--------
+
+*#include <nghttp2/{filename}>*
+
+'''.format(funcname=doc.funcname, secul='='*len(doc.funcname),
+ filename=doc.filename))
+ doc.write(f)
+
+def process_macro(infile):
+ content = read_content(infile)
+ line = infile.readline()
+ macro_name = line.split()[1]
+ return MacroDoc(macro_name, content)
+
+def process_macrosection(infile):
+ content = read_content(infile)
+ return MacroSectionDoc(content)
+
+def process_typedef(infile):
+ content = read_content(infile)
+ typedef = infile.readline()
+ typedef = re.sub(r';\n$', '', typedef)
+ typedef = re.sub(r'typedef ', '', typedef)
+ return TypedefDoc(typedef, content)
+
+def process_enum(infile):
+ members = []
+ enum_name = None
+ content = read_content(infile)
+ while True:
+ line = infile.readline()
+ if not line:
+ break
+ elif re.match(r'\s*/\*\*\n', line):
+ member_content = read_content(infile)
+ line = infile.readline()
+ items = line.split()
+ member_name = items[0].rstrip(',')
+ if len(items) >= 3:
+ member_content.insert(0, '(``{}``) '\
+ .format(' '.join(items[2:]).rstrip(',')))
+ members.append((member_name, member_content))
+ elif line.startswith('}'):
+ enum_name = line.rstrip().split()[1]
+ enum_name = re.sub(r';$', '', enum_name)
+ break
+ return EnumDoc(enum_name, content, members)
+
+def process_struct(infile):
+ members = []
+ struct_name = None
+ content = read_content(infile)
+ while True:
+ line = infile.readline()
+ if not line:
+ break
+ elif re.match(r'\s*/\*\*\n', line):
+ member_content = read_content(infile)
+ line = infile.readline()
+ member_name = line.rstrip().rstrip(';')
+ members.append((member_name, member_content))
+ elif line.startswith('}') or\
+ (line.startswith('typedef ') and line.endswith(';\n')):
+ if line.startswith('}'):
+ index = 1
+ else:
+ index = 3
+ struct_name = line.rstrip().split()[index]
+ struct_name = re.sub(r';$', '', struct_name)
+ break
+ return StructDoc(struct_name, content, members, 'member')
+
+def process_function(domain, infile):
+ content = read_content(infile)
+ func_proto = []
+ while True:
+ line = infile.readline()
+ if not line:
+ break
+ elif line == '\n':
+ break
+ else:
+ func_proto.append(line)
+ func_proto = ''.join(func_proto)
+ func_proto = re.sub(r';\n$', '', func_proto)
+ func_proto = re.sub(r'\s+', ' ', func_proto)
+ func_proto = re.sub(r'NGHTTP2_EXTERN ', '', func_proto)
+ func_proto = re.sub(r'typedef ', '', func_proto)
+ filename = os.path.basename(infile.name)
+ return FunctionDoc(func_proto, content, domain, filename)
+
+def read_content(infile):
+ content = []
+ while True:
+ line = infile.readline()
+ if not line:
+ break
+ if re.match(r'\s*\*/\n', line):
+ break
+ else:
+ content.append(transform_content(line.rstrip()))
+ return content
+
+def arg_repl(matchobj):
+ return '*{}*'.format(matchobj.group(1).replace('*', '\\*'))
+
+def transform_content(content):
+ content = re.sub(r'^\s+\* ?', '', content)
+ content = re.sub(r'\|([^\s|]+)\|', arg_repl, content)
+ return content
+
+if __name__ == '__main__':
+ parser = argparse.ArgumentParser(description="Generate API reference")
+ parser.add_argument('--title', default='API Reference',
+ help='title of index page')
+ parser.add_argument('index', type=argparse.FileType('w'),
+ help='index output file')
+ parser.add_argument('macros', type=argparse.FileType('w'),
+ help='macros section output file. The filename should be macros.rst')
+ parser.add_argument('enums', type=argparse.FileType('w'),
+ help='enums section output file. The filename should be enums.rst')
+ parser.add_argument('types', type=argparse.FileType('w'),
+ help='types section output file. The filename should be types.rst')
+ parser.add_argument('funcsdir',
+ help='functions doc output dir')
+ parser.add_argument('files', nargs='+', type=argparse.FileType('r'),
+ help='source file')
+ args = parser.parse_args()
+ macros = []
+ enums = []
+ types = []
+ funcs = []
+ for infile in args.files:
+ m, e, t, f = make_api_ref(infile)
+ macros.extend(m)
+ enums.extend(e)
+ types.extend(t)
+ funcs.extend(f)
+ funcs.sort(key=lambda x: x.funcname)
+ output(
+ args.title,
+ args.index, args.macros, args.enums, args.types, args.funcsdir,
+ macros, enums, types, funcs)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 07:00:00 +0000