480 lines
17 KiB
Python
480 lines
17 KiB
Python
import os, sys, re, string, glob
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from string import Template
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class DeclarationParser(object):
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def __init__(self, line=None):
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if line is None:
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self.fdecl = ""
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self.lang = ""
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self.balance = 0
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return
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self.lang = self.getLang(line)
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assert self.lang is not None
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self.fdecl = line[line.find("::")+2:].strip()
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self.balance = self.fdecl.count("(") - self.fdecl.count(")")
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assert self.balance >= 0
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def append(self, line):
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self.fdecl += line
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self.balance = self.fdecl.count("(") - self.fdecl.count(")")
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def isready(self):
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return self.balance == 0
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def getLang(self, line):
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if line.startswith(".. ocv:function::"):
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return "C++"
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if line.startswith(".. ocv:cfunction::"):
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return "C"
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if line.startswith(".. ocv:pyfunction::"):
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return "Python2"
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if line.startswith(".. ocv:pyoldfunction::"):
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return "Python1"
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if line.startswith(".. ocv:jfunction::"):
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return "Java"
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return None
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def hasDeclaration(self, line):
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return self.getLang(line) is not None
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class ParamParser(object):
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def __init__(self, line=None):
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if line is None:
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self.prefix = ""
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self.name = ""
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self.comment = ""
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self.active = False
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return
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offset = line.find(":param")
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assert offset > 0
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self.prefix = line[:offset]
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assert self.prefix==" "*len(self.prefix), ":param definition should be prefixed with spaces"
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line = line[offset + 6:].lstrip()
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name_end = line.find(":")
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assert name_end > 0
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self.name = line[:name_end]
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self.comment = line[name_end+1:].lstrip()
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self.active = True
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def append(self, line):
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assert self.active
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if (self.hasDeclaration(line)):
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self.active = False
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elif line.startswith(self.prefix) or not line:
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self.comment += "\n" + line.lstrip()
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else:
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self.active = False
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def hasDeclaration(self, line):
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return line.lstrip().startswith(":param")
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class RstParser(object):
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def __init__(self, cpp_parser):
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self.cpp_parser = cpp_parser
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self.definitions = {}
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self.sections_parsed = 0
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self.sections_total = 0
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self.sections_skipped = 0
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def parse(self, module_name, module_path=None):
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if module_path is None:
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module_path = "../" + module_name
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doclist = glob.glob(os.path.join(module_path,"doc/*.rst"))
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for doc in doclist:
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self.parse_rst_file(module_name, doc)
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def parse_section_safe(self, module_name, section_name, file_name, lineno, lines):
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try:
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self.parse_section(module_name, section_name, file_name, lineno, lines)
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except AssertionError, args:
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print "RST parser error: assertion in \"%s\" File: %s (line %s)" % (section_name, file_name, lineno)
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print " Details: %s" % args
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def parse_section(self, module_name, section_name, file_name, lineno, lines):
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self.sections_total += 1
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# skip sections having whitespace in name
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if section_name.find(" ") >= 0 and section_name.find("::operator") < 0:
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print "SKIPPED: \"%s\" File: %s (line %s)" % (section_name, file_name, lineno)
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self.sections_skipped += 1
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return
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func = {}
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func["name"] = section_name
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func["file"] = file_name
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func["line"] = lineno
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func["module"] = module_name
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# parse section name
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section_name = self.parse_namespace(func, section_name)
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class_separator_idx = section_name.find("::")
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if class_separator_idx > 0:
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func["class"] = section_name[:class_separator_idx]
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func["method"] = section_name[class_separator_idx+2:]
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else:
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func["method"] = section_name
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skip_code_lines = False
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expected_brief = True
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fdecl = DeclarationParser()
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pdecl = ParamParser()
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for l in lines:
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# read tail of function/method declaration if needed
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if not fdecl.isready():
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fdecl.append(ll)
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if fdecl.isready():
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self.add_new_fdecl(func, fdecl)
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continue
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# skip lines if line-skipping mode is activated
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if skip_code_lines:
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if not l or l.startswith(" "):
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continue
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else:
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skip_code_lines = False
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ll = l.strip()
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if ll == "..": #strange construction...
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continue
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# turn on line-skipping mode for code fragments
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if ll.endswith("::"):
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skip_code_lines = True
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ll = ll[:len(ll)-3]
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if ll.startswith(".. code-block::"):
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skip_code_lines = True
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continue
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# continue param parsing
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if pdecl.active:
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pdecl.append(l)
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if pdecl.active:
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continue
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else:
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self.add_new_pdecl(func, pdecl)
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# do not continue - current line can contain next parameter definition
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# todo: parse structure members; skip them for now
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if ll.startswith(".. ocv:member::"):
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skip_code_lines = True
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continue
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# parse class & struct definitions
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if ll.startswith(".. ocv:class::"):
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func["class"] = ll[ll.find("::")+2:].strip()
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if "method" in func:
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del func["method"]
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func["isclass"] = True
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expected_brief = True
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continue
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if ll.startswith(".. ocv:struct::"):
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func["class"] = ll[ll.find("::")+2:].strip()
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if "method" in func:
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del func["method"]
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func["isstruct"] = True
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expected_brief = True
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continue
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# parse function/method definitions
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if fdecl.hasDeclaration(ll):
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fdecl = DeclarationParser(ll)
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if fdecl.isready():
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self.add_new_fdecl(func, fdecl)
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expected_brief = False
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continue
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# parse parameters
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if pdecl.hasDeclaration(l):
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pdecl = ParamParser(l)
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expected_brief = False
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continue
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# record brief description
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if expected_brief and len(ll) == 0:
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if "brief" in func:
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expected_brief = False
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continue
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if expected_brief:
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func["brief"] = func.get("brief", "") + "\n" + ll
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if skip_code_lines:
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expected_brief = False #force end brief if code block begins
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continue
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# record other lines as long description
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func["long"] = func.get("long", "") + "\n" + ll
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# endfor l in lines
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if fdecl.balance != 0:
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print "RST parser error: invalid parentheses balance in \"%s\" File: %s (line %s)" % (section_name, file_name, lineno)
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# save last parameter if needed
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if pdecl.active:
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self.add_new_pdecl(func, pdecl)
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# add definition to list
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func = self.normalize(func)
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if self.validate(func):
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self.definitions[func["name"]] = func
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self.sections_parsed += 1
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#self.print_info(func)
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elif func:
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self.print_info(func, True)
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pass
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def parse_rst_file(self, module_name, doc):
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doc = os.path.abspath(doc)
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lineno = 0
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whitespace_warnings = 0
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max_whitespace_warnings = 10
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lines = []
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flineno = 0
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fname = ""
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prev_line = None
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df = open(doc, "rt")
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for l in df.readlines():
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lineno += 1
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# handle tabs
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if l.find("\t") >= 0:
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whitespace_warnings += 1
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if whitespace_warnings <= max_whitespace_warnings:
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print "RST parser warning: tab symbol instead of space is used at file %s (line %s)" % (doc, lineno)
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l = l.replace("\t", " ")
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# handle first line
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if prev_line == None:
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prev_line = l.rstrip()
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continue
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ll = l.rstrip()
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if len(prev_line) > 0 and len(ll) >= len(prev_line) and ll == "-" * len(ll):
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# new function candidate
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if len(lines) > 1:
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self.parse_section_safe(module_name, fname, doc, flineno, lines[:len(lines)-1])
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lines = []
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flineno = lineno-1
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fname = prev_line.strip()
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elif flineno > 0:
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lines.append(ll)
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prev_line = ll
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df.close()
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# don't forget about the last function section in file!!!
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if len(lines) > 1:
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self.parse_section_safe(module_name, fname, doc, flineno, lines[:len(lines)])
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def parse_namespace(self, func, section_name):
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known_namespaces = ["cv", "gpu", "flann"]
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l = section_name.strip()
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for namespace in known_namespaces:
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if l.startswith(namespace + "::"):
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func["namespace"] = namespace
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return l[len(namespace)+2:]
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return section_name
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def add_new_fdecl(self, func, decl):
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decls = func.get("decls",[])
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if (decl.lang == "C++" or decl.lang == "C"):
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rst_decl = self.cpp_parser.parse_func_decl_no_wrap(decl.fdecl)
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decls.append( (decl.lang, decl.fdecl, rst_decl) )
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else:
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decls.append( (decl.lang, decl.fdecl) )
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func["decls"] = decls
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def add_new_pdecl(self, func, decl):
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params = func.get("params",{})
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if decl.name in params:
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print "RST parser error: redefinition of parameter \"%s\" in \"%s\" File: %s (line %s)" \
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% (decl.name, func["name"], func["file"], func["line"])
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else:
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params[decl.name] = decl.comment
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func["params"] = params
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def print_info(self, func, skipped=False):
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print
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if skipped:
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print "SKIPPED DEFINITION:"
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print "name: %s" % (func.get("name","~empty~"))
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print "file: %s (line %s)" % (func.get("file","~empty~"), func.get("line","~empty~"))
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print "is class: %s" % func.get("isclass",False)
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print "is struct: %s" % func.get("isstruct",False)
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print "module: %s" % func.get("module","~unknown~")
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print "namespace: %s" % func.get("namespace", "~empty~")
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print "class: %s" % (func.get("class","~empty~"))
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print "method: %s" % (func.get("method","~empty~"))
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print "brief: %s" % (func.get("brief","~empty~"))
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if "decls" in func:
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print "declarations:"
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for d in func["decls"]:
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print " %7s: %s" % (d[0], re.sub(r"[ ]+", " ", d[1]))
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if "params" in func:
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print "parameters:"
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for name, comment in func["params"].items():
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print "%23s: %s" % (name, comment)
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if not skipped:
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print "long: %s" % (func.get("long","~empty~"))
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print
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def validate(self, func):
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if func.get("decls",None) is None:
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if not func.get("isclass",False) and not func.get("isstruct",False):
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return False
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if func["name"] in self.definitions:
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print "RST parser error: \"%s\" from file: %s (line %s) is already documented in file: %s (line %s)" \
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% (func["name"], func["file"], func["line"], self.definitions[func["name"]]["file"], self.definitions[func["name"]]["line"])
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return False
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#todo: validate parameter names
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return True
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def normalize(self, func):
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if not func:
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return func
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func["name"] = self.normalizeText(func["name"])
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if "method" in func:
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func["method"] = self.normalizeText(func["method"])
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if "class" in func:
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func["class"] = self.normalizeText(func["class"])
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if "brief" in func:
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func["brief"] = self.normalizeText(func.get("brief",None))
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if not func["brief"]:
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del func["brief"]
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if "long" in func:
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func["long"] = self.normalizeText(func.get("long",None))
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if not func["long"]:
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del func["long"]
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if "decls" in func:
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func["decls"].sort()
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if "params" in func:
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params = {}
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for name, comment in func["params"].items():
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cmt = self.normalizeText(comment)
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if cmt:
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params[name] = cmt
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func["params"] = params
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# special case for old C functions - section name should omit "cv" prefix
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if not func.get("isclass",False) and not func.get("isstruct",False):
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self.fixOldCFunctionName(func)
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return func
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def fixOldCFunctionName(self, func):
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if not "decls" in func:
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return
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fname = None
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for decl in func["decls"]:
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if decl[0] != "C" and decl[0] != "Python1":
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return
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if decl[0] == "C":
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fname = decl[2][0]
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if fname is None:
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return
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fname = fname.replace(".", "::")
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if fname.startswith("cv::cv"):
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if fname[6:] == func.get("name", ""):
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func["name"] = fname[4:]
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func["method"] = fname[4:]
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else:
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print "RST parser warning: invalid definition of old C function \"%s\" - section name is \"%s\" instead of \"%s\". File: %s (line %s)" % (fname, func["name"], fname[6:], func["file"], func["line"])
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#self.print_info(func)
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def normalizeText(self, s):
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if s is None:
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return s
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# normalize line endings
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s = re.sub(r"\r\n", "\n", s)
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# remove tailing ::
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s = re.sub(r"::$", "\n", s)
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# remove extra line breaks before/after _ or ,
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s = re.sub(r"\n[ ]*([_,])\n", r"\1", s)
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# remove extra line breaks after `
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#s = re.sub(r"`\n", "` ", s)
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# remove extra line breaks before *
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s = re.sub(r"\n\n\*", "\n\*", s)
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# remove extra line breaks before #.
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s = re.sub(r"\n\n#\.", "\n#.", s)
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# remove extra line breaks after #.
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s = re.sub(r"\n#\.\n", "\n#. ", s)
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# remove extra line breaks before `
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s = re.sub(r"\n[ ]*`", " `", s)
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# remove trailing whitespaces
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s = re.sub(r"[ ]+$", "", s)
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# remove whitespace before .
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s = re.sub(r"[ ]+\.", "\.", s)
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# remove .. for references
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s = re.sub(r"\.\. \[", "[", s)
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# unescape
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s = re.sub(r"\\(.)", "\\1", s)
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# compress whitespace
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s = re.sub(r"[ ]+", " ", s)
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s = s.replace("**", "")
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s = s.replace("``", "\"")
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s = s.replace("`", "\"")
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s = s.replace("\"\"", "\"")
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s = s.replace(":ocv:cfunc:","")
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s = s.replace(":math:", "")
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s = s.replace(":ocv:class:", "")
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s = s.replace(":ocv:func:", "")
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s = s.replace("]_", "]")
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s = s.strip()
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return s
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if __name__ == "__main__":
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if len(sys.argv) < 1:
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print "Usage:\n", os.path.basename(sys.argv[0]), " <module path>"
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exit(0)
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rst_parser_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
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hdr_parser_path = os.path.join(rst_parser_dir, "../python/src2")
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sys.path.append(hdr_parser_path)
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import hdr_parser
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module = sys.argv[1]
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if module != "all" and not os.path.isdir(os.path.join(rst_parser_dir, "../" + module)):
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print "Module \"" + module + "\" could not be found."
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exit(1)
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parser = RstParser(hdr_parser.CppHeaderParser())
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if module == "all":
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for m in ["androidcamera", "calib3d", "contrib", "core", "features2d", "flann", "gpu", "haartraining", "highgui", "imgproc", "java", "legacy", "ml", "objdetect", "ocl", "python", "stitching", "traincascade", "ts", "video"]:
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parser.parse(m, os.path.join(rst_parser_dir, "../" + m))
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else:
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parser.parse(module, os.path.join(rst_parser_dir, "../" + module))
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# summary
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print
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print "RST Parser Summary:"
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print " Total sections: %s" % parser.sections_total
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print " Skipped sections: %s" % parser.sections_skipped
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print " Parsed sections: %s" % parser.sections_parsed
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print " Invalid sections: %s" % (parser.sections_total - parser.sections_parsed - parser.sections_skipped)
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# statistic by language
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stat = {}
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classes = 0
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structs = 0
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for name, d in parser.definitions.items():
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if d.get("isclass", False):
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classes += 1
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elif d.get("isstruct", False):
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structs += 1
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else:
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for decl in d.get("decls",[]):
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stat[decl[0]] = stat.get(decl[0],0) + 1
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print
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print " classes documented: %s" % classes
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print " structs documented: %s" % structs
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for lang in sorted(stat.items()):
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print " %7s functions documented: %s" % lang
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