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authorMathieu Duponchelle <MathieuDuponchelle@users.noreply.github.com>2016-12-20 22:00:17 +0100
committerJohn MacFarlane <jgm@berkeley.edu>2016-12-20 16:00:17 -0500
commit9e643720ec903f3b448bd2589a0c02c2514805ae (patch)
tree5ee8793c56f141821b0039920c2f7cd0b8b544f9 /wrappers/wrapper.py
parent29c46c5aeda66e9c454ac8d802e65692d0bab566 (diff)
More sourcepos! (#169)
* open_new_blocks: always create child before advancing offset * Source map * Extent's typology * In-depth python bindings
Diffstat (limited to 'wrappers/wrapper.py')
-rw-r--r--[-rwxr-xr-x]wrappers/wrapper.py944
1 files changed, 914 insertions, 30 deletions
diff --git a/wrappers/wrapper.py b/wrappers/wrapper.py
index 98e7f2b..7ef032a 100755..100644
--- a/wrappers/wrapper.py
+++ b/wrappers/wrapper.py
@@ -1,37 +1,921 @@
-#!/usr/bin/env python
+from __future__ import unicode_literals
-# Example for using the shared library from python
-# Will work with either python 2 or python 3
-# Requires cmark library to be installed
-
-from ctypes import CDLL, c_char_p, c_long
+from ctypes import *
import sys
import platform
+c_object_p = POINTER(c_void_p)
+
sysname = platform.system()
-if sysname == 'Darwin':
- libname = "libcmark.dylib"
-elif sysname == 'Windows':
- libname = "cmark.dll"
+if sysname == 'Windows':
+ libc = CDLL('msvcrt.dll')
+else:
+ libc = CDLL('libc.so.6')
+
+if sys.version_info[0] > 2:
+ def bytes_and_length(text):
+ if type(text) == str:
+ text = text.encode("utf8")
+ return text, len(text)
else:
- libname = "libcmark.so"
-cmark = CDLL(libname)
-
-markdown = cmark.cmark_markdown_to_html
-markdown.restype = c_char_p
-markdown.argtypes = [c_char_p, c_long, c_long]
-
-opts = 0 # defaults
-
-def md2html(text):
- if sys.version_info >= (3,0):
- textbytes = text.encode('utf-8')
- textlen = len(textbytes)
- return markdown(textbytes, textlen, opts).decode('utf-8')
- else:
- textbytes = text
- textlen = len(text)
- return markdown(textbytes, textlen, opts)
-
-sys.stdout.write(md2html(sys.stdin.read()))
+ def bytes_and_length(text):
+ if type(text) == unicode:
+ text = text.encode("utf8")
+ return text, len(text)
+
+def unicode_from_char_p(res, fn, args):
+ ret = res.decode("utf8")
+ return ret
+
+class owned_char_p(c_void_p):
+ def __del__(self):
+ conf.lib.cmark_default_mem_free(self.value)
+
+def unicode_from_owned_char_p(res, fn, args):
+ ret = cast(res, c_char_p).value.decode("utf8")
+ return ret
+
+def boolean_from_result(res, fn, args):
+ return bool(res)
+
+def delim_from_int(res, fn, args):
+ if res == 0:
+ return ''
+ elif res == 1:
+ return '.'
+ elif res == 2:
+ return ')'
+
+class BaseEnumeration(object):
+ def __init__(self, value):
+ if value >= len(self.__class__._kinds):
+ self.__class__._kinds += [None] * (value - len(self.__class__._kinds) + 1)
+ if self.__class__._kinds[value] is not None:
+ raise ValueError('{0} value {1} already loaded'.format(
+ str(self.__class__), value))
+ self.value = value
+ self.__class__._kinds[value] = self
+ self.__class__._name_map = None
+
+ def from_param(self):
+ return self.value
+
+ @classmethod
+ def from_id(cls, id, fn, args):
+ if id >= len(cls._kinds) or cls._kinds[id] is None:
+ raise ValueError('Unknown template argument kind %d' % id)
+ return cls._kinds[id]
+
+ @property
+ def name(self):
+ """Get the enumeration name of this cursor kind."""
+ if self._name_map is None:
+ self._name_map = {}
+ for key, value in self.__class__.__dict__.items():
+ if isinstance(value, self.__class__):
+ self._name_map[value] = key
+ return str(self._name_map[self])
+
+ def __repr__(self):
+ return '%s.%s' % (self.__class__.__name__, self.name,)
+
+class Parser(object):
+ OPT_DEFAULT = 0
+ OPT_SOURCEPOS = 1 << 1
+ OPT_HARDBREAKS = 1 << 2
+ OPT_SAFE = 1 << 3
+ OPT_NOBREAKS = 1 << 4
+ OPT_NORMALIZE = 1 << 8
+ OPT_VALIDATE_UTF8 = 1 << 9
+ OPT_SMART = 1 << 10
+
+ def __init__(self, options=0):
+ self._parser = conf.lib.cmark_parser_new(options)
+
+ def __del__(self):
+ conf.lib.cmark_parser_free(self._parser)
+
+ def feed(self, text):
+ conf.lib.cmark_parser_feed(self._parser, *bytes_and_length(text))
+
+ def finish(self):
+ return conf.lib.cmark_parser_finish(self._parser)
+
+ def get_source_map(self):
+ return conf.lib.cmark_parser_get_first_source_extent(self._parser)
+
+class LibcmarkError(Exception):
+ def __init__(self, message):
+ self.m = message
+
+ def __str__(self):
+ return self.m
+
+class NodeType(BaseEnumeration):
+ _kinds = []
+ _name_map = None
+
+NodeType.NONE = NodeType(0)
+NodeType.DOCUMENT = NodeType(1)
+NodeType.BLOCK_QUOTE = NodeType(2)
+NodeType.LIST = NodeType(3)
+NodeType.ITEM = NodeType(4)
+NodeType.CODE_BLOCK = NodeType(5)
+NodeType.HTML_BLOCK = NodeType(6)
+NodeType.CUSTOM_BLOCK = NodeType(7)
+NodeType.PARAGRAPH = NodeType(8)
+NodeType.HEADING = NodeType(9)
+NodeType.THEMATIC_BREAK = NodeType(10)
+NodeType.TEXT = NodeType(11)
+NodeType.SOFTBREAK = NodeType(12)
+NodeType.LINEBREAK = NodeType(13)
+NodeType.CODE = NodeType(14)
+NodeType.HTML_INLINE = NodeType(15)
+NodeType.CUSTOM_INLINE = NodeType(16)
+NodeType.EMPH = NodeType(17)
+NodeType.STRONG = NodeType(18)
+NodeType.LINK = NodeType(19)
+NodeType.IMAGE = NodeType(20)
+
+class ListType(BaseEnumeration):
+ _kinds = []
+ _name_map = None
+
+ListType.BULLET = ListType(1)
+ListType.ORDERED = ListType(2)
+
+class Node(object):
+ __subclass_map = {}
+
+ def __init__(self):
+ self._owned = False
+ raise NotImplementedError
+
+ @staticmethod
+ def from_result(res, fn=None, args=None):
+ try:
+ res.contents
+ except ValueError:
+ return None
+
+ cls = Node.get_subclass_map()[conf.lib.cmark_node_get_type(res)]
+
+ ret = cls.__new__(cls)
+ ret._node = res
+ ret._owned = False
+ return ret
+
+ @classmethod
+ def get_subclass_map(cls):
+ if cls.__subclass_map:
+ return cls.__subclass_map
+
+ res = {c._node_type: c for c in cls.__subclasses__()}
+
+ for c in cls.__subclasses__():
+ res.update(c.get_subclass_map())
+
+ return res
+
+ def unlink(self):
+ conf.lib.cmark_node_unlink(self._node)
+ self._owned = True
+
+ def append_child(self, child):
+ res = conf.lib.cmark_node_append_child(self._node, child._node)
+ if not res:
+ raise LibcmarkError("Can't append child %s to node %s" % (str(child), str(self)))
+ child._owned = False
+
+ def prepend_child(self, child):
+ res = conf.lib.cmark_node_prepend_child(self._node, child._node)
+ if not res:
+ raise LibcmarkError("Can't prepend child %s to node %s" % (str(child), str(self)))
+ child._owned = False
+
+ def insert_before(self, sibling):
+ res = conf.lib.cmark_node_insert_before(self._node, sibling._node)
+ if not res:
+ raise LibcmarkError("Can't insert sibling %s before node %s" % (str(sibling), str(self)))
+ sibling._owned = False
+
+ def insert_after(self, sibling):
+ res = conf.lib.cmark_node_insert_after(self._node, sibling._node)
+ if not res:
+ raise LibcmarkError("Can't insert sibling %s after node %s" % (str(sibling), str(self)))
+ sibling._owned = False
+
+ def consolidate_text_nodes(self):
+ conf.lib.cmark_consolidate_text_nodes(self._node)
+
+ def to_html(self, options=Parser.OPT_DEFAULT):
+ return conf.lib.cmark_render_html(self._node, options)
+
+ def to_xml(self, options=Parser.OPT_DEFAULT):
+ return conf.lib.cmark_render_xml(self._node, options)
+
+ def to_commonmark(self, options=Parser.OPT_DEFAULT, width=0):
+ return conf.lib.cmark_render_commonmark(self._node, options, width)
+
+ def to_man(self, options=Parser.OPT_DEFAULT, width=0):
+ return conf.lib.cmark_render_man(self._node, options, width)
+
+ def to_latex(self, options=Parser.OPT_DEFAULT, width=0):
+ return conf.lib.cmark_render_latex(self._node, options, width)
+
+ @property
+ def first_child(self):
+ return conf.lib.cmark_node_first_child(self._node)
+
+ @property
+ def last_child(self):
+ return conf.lib.cmark_node_last_child(self._node)
+
+ @property
+ def next(self):
+ return conf.lib.cmark_node_next(self._node)
+
+ @property
+ def previous(self):
+ return conf.lib.cmark_node_previous(self._node)
+
+ def __eq__(self, other):
+ return self._node.contents.value == other._node.contents.value
+
+ def __ne__(self, other):
+ return self._node.contents.value != other._node.contents.value
+
+ def __del__(self):
+ if self._owned:
+ conf.lib.cmark_node_free(self._node)
+
+ def __iter__(self):
+ cur = self.first_child
+ while (cur):
+ yield cur
+ cur = cur.next
+
+class Literal(Node):
+ _node_type = NodeType.NONE
+
+ @property
+ def literal(self):
+ return conf.lib.cmark_node_get_literal(self._node)
+
+ @literal.setter
+ def literal(self, value):
+ bytes_, _ = bytes_and_length(value)
+ if not conf.lib.cmark_node_set_literal(self._node, bytes_):
+ raise LibcmarkError("Invalid literal %s\n" % str(value))
+
+class Document(Node):
+ _node_type = NodeType.DOCUMENT
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+class BlockQuote(Node):
+ _node_type = NodeType.BLOCK_QUOTE
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+class List(Node):
+ _node_type = NodeType.LIST
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+ @property
+ def type(self):
+ return conf.lib.cmark_node_get_list_type(self._node)
+
+ @type.setter
+ def type(self, type_):
+ if not conf.lib.cmark_node_set_list_type(self._node, type_.value):
+ raise LibcmarkError("Invalid type %s" % str(type_))
+
+ @property
+ def delim(self):
+ return conf.lib.cmark_node_get_list_delim(self._node)
+
+ @delim.setter
+ def delim(self, value):
+ if value == '.':
+ delim_type = 1
+ elif value == ')':
+ delim_type = 2
+ else:
+ raise LibcmarkError('Invalid delim type %s' % str(value))
+
+ conf.lib.cmark_node_set_list_delim(self._node, delim_type)
+
+ @property
+ def start(self):
+ return conf.lib.cmark_node_get_list_start(self._node)
+
+ @start.setter
+ def start(self, value):
+ if not conf.lib.cmark_node_set_list_start(self._node, value):
+ raise LibcmarkError("Invalid list start %s\n" % str(value))
+
+ @property
+ def tight(self):
+ return conf.lib.cmark_node_get_list_tight(self._node)
+
+ @tight.setter
+ def tight(self, value):
+ if value is True:
+ tightness = 1
+ elif value is False:
+ tightness = 0
+ else:
+ raise LibcmarkError("Invalid list tightness %s\n" % str(value))
+ if not conf.lib.cmark_node_set_list_tight(self._node, tightness):
+ raise LibcmarkError("Invalid list tightness %s\n" % str(value))
+
+class Item(Node):
+ _node_type = NodeType.ITEM
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+class CodeBlock(Literal):
+ _node_type = NodeType.CODE_BLOCK
+
+ def __init__(self, literal='', fence_info=''):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+ self.literal = literal
+ self.fence_info = fence_info
+
+ @property
+ def fence_info(self):
+ return conf.lib.cmark_node_get_fence_info(self._node)
+
+ @fence_info.setter
+ def fence_info(self, value):
+ bytes_, _ = bytes_and_length(value)
+ if not conf.lib.cmark_node_set_fence_info(self._node, bytes_):
+ raise LibcmarkError("Invalid fence info %s\n" % str(value))
+
+class HtmlBlock(Literal):
+ _node_type = NodeType.HTML_BLOCK
+
+ def __init__(self, literal=''):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+ self.literal = literal
+
+
+class CustomBlock(Node):
+ _node_type = NodeType.CUSTOM_BLOCK
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+
+class Paragraph(Node):
+ _node_type = NodeType.PARAGRAPH
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+class Heading(Node):
+ _node_type = NodeType.HEADING
+
+ def __init__(self, level=1):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self.level = level
+ self._owned = True
+
+ @property
+ def level(self):
+ return int(conf.lib.cmark_node_get_heading_level(self._node))
+
+ @level.setter
+ def level(self, value):
+ res = conf.lib.cmark_node_set_heading_level(self._node, value)
+ if (res == 0):
+ raise LibcmarkError("Invalid heading level %s" % str(value))
+
+class ThematicBreak(Node):
+ _node_type = NodeType.THEMATIC_BREAK
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+
+class Text(Literal):
+ _node_type = NodeType.TEXT
+
+ def __init__(self, literal=''):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+ self.literal = literal
+
+
+class SoftBreak(Node):
+ _node_type = NodeType.SOFTBREAK
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+
+class LineBreak(Node):
+ _node_type = NodeType.LINEBREAK
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+
+class Code(Literal):
+ _node_type = NodeType.CODE
+
+ def __init__(self, literal=''):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+ self.literal = literal
+
+
+class HtmlInline(Literal):
+ _node_type = NodeType.HTML_INLINE
+
+ def __init__(self, literal=''):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+ self.literal = literal
+
+
+class CustomInline(Node):
+ _node_type = NodeType.CUSTOM_INLINE
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+class Emph(Node):
+ _node_type = NodeType.EMPH
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+class Strong(Node):
+ _node_type = NodeType.STRONG
+
+ def __init__(self):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+
+
+class Link(Node):
+ _node_type = NodeType.LINK
+
+ def __init__(self, url='', title=''):
+ self._node = conf.lib.cmark_node_new(self.__class__._node_type.value)
+ self._owned = True
+ self.url = url
+ self.title = title
+
+ @property
+ def url(self):
+ return conf.lib.cmark_node_get_url(self._node)
+
+ @url.setter
+ def url(self, value):
+ bytes_, _ = bytes_and_length(value)
+ if not conf.lib.cmark_node_set_url(self._node, bytes_):
+ raise LibcmarkError("Invalid url %s\n" % str(value))
+
+ @property
+ def title(self):
+ return conf.lib.cmark_node_get_title(self._node)
+
+ @title.setter
+ def title(self, value):
+ bytes_, _ = bytes_and_length(value)
+ if not conf.lib.cmark_node_set_title(self._node, bytes_):
+ raise LibcmarkError("Invalid title %s\n" % str(value))
+
+class Image(Link):
+ _node_type = NodeType.IMAGE
+
+class ExtentType(BaseEnumeration):
+ _kinds = []
+ _name_map = None
+
+ExtentType.NONE = ExtentType(0)
+ExtentType.OPENER = ExtentType(1)
+ExtentType.CLOSER = ExtentType(2)
+ExtentType.BLANK = ExtentType(3)
+ExtentType.CONTENT = ExtentType(4)
+ExtentType.PUNCTUATION = ExtentType(5)
+ExtentType.LINK_DESTINATION = ExtentType(6)
+ExtentType.LINK_TITLE = ExtentType(7)
+ExtentType.LINK_LABEL = ExtentType(8)
+ExtentType.REFERENCE_DESTINATION = ExtentType(9)
+ExtentType.REFERENCE_LABEL = ExtentType(10)
+ExtentType.REFERENCE_TITLE = ExtentType(11)
+
+class Extent(object):
+ @staticmethod
+ def from_result(res, fn=None, args=None):
+ ret = Extent()
+ ret._extent = res
+ return ret
+
+ @property
+ def start(self):
+ return conf.lib.cmark_source_extent_get_start(self._extent)
+
+ @property
+ def stop(self):
+ return conf.lib.cmark_source_extent_get_stop(self._extent)
+
+ @property
+ def type(self):
+ return conf.lib.cmark_source_extent_get_type(self._extent)
+
+ @property
+ def node(self):
+ return conf.lib.cmark_source_extent_get_node(self._extent)
+
+class SourceMap(object):
+ @staticmethod
+ def from_result(res, fn, args):
+ ret = SourceMap()
+ ret._root = res
+ return ret
+
+ def __iter__(self):
+ cur = self._root
+ while (cur):
+ yield Extent.from_result(cur)
+ cur = conf.lib.cmark_source_extent_get_next(cur)
+
+def markdown_to_html(text, options=Parser.OPT_DEFAULT):
+ bytes_, length = bytes_and_length(text)
+ return conf.lib.cmark_markdown_to_html(bytes_, length, options)
+
+def parse_document(text, options=Parser.OPT_DEFAULT):
+ bytes_, length = bytes_and_length(text)
+ return conf.lib.cmark_parse_document(bytes_, length, options)
+
+functionList = [
+ ("cmark_default_mem_free",
+ [c_void_p]),
+ ("cmark_markdown_to_html",
+ [c_char_p, c_long, c_int],
+ owned_char_p,
+ unicode_from_owned_char_p),
+ ("cmark_parse_document",
+ [c_char_p, c_long, c_int],
+ c_object_p,
+ Node.from_result),
+ ("cmark_parser_new",
+ [c_int],
+ c_object_p),
+ ("cmark_parser_free",
+ [c_object_p]),
+ ("cmark_parser_feed",
+ [c_object_p, c_char_p, c_long]),
+ ("cmark_parser_finish",
+ [c_object_p],
+ c_object_p,
+ Node.from_result),
+ ("cmark_parser_get_first_source_extent",
+ [c_object_p],
+ c_object_p,
+ SourceMap.from_result),
+ ("cmark_source_extent_get_next",
+ [c_object_p],
+ c_object_p),
+ ("cmark_source_extent_get_start",
+ [c_object_p],
+ c_ulonglong),
+ ("cmark_source_extent_get_stop",
+ [c_object_p],
+ c_ulonglong),
+ ("cmark_source_extent_get_type",
+ [c_object_p],
+ c_int,
+ ExtentType.from_id),
+ ("cmark_source_extent_get_node",
+ [c_object_p],
+ c_object_p,
+ Node.from_result),
+ ("cmark_render_html",
+ [c_object_p, c_int],
+ owned_char_p,
+ unicode_from_owned_char_p),
+ ("cmark_render_xml",
+ [c_object_p, c_int],
+ owned_char_p,
+ unicode_from_owned_char_p),
+ ("cmark_render_commonmark",
+ [c_object_p, c_int, c_int],
+ owned_char_p,
+ unicode_from_owned_char_p),
+ ("cmark_render_man",
+ [c_object_p, c_int, c_int],
+ owned_char_p,
+ unicode_from_owned_char_p),
+ ("cmark_render_latex",
+ [c_object_p, c_int, c_int],
+ owned_char_p,
+ unicode_from_owned_char_p),
+ ("cmark_node_new",
+ [c_int],
+ c_object_p),
+ ("cmark_node_free",
+ [c_object_p]),
+ ("cmark_node_get_type",
+ [c_object_p],
+ c_int,
+ NodeType.from_id),
+ ("cmark_node_first_child",
+ [c_object_p],
+ c_object_p,
+ Node.from_result),
+ ("cmark_node_last_child",
+ [c_object_p],
+ c_object_p,
+ Node.from_result),
+ ("cmark_node_next",
+ [c_object_p],
+ c_object_p,
+ Node.from_result),
+ ("cmark_node_previous",
+ [c_object_p],
+ c_object_p,
+ Node.from_result),
+ ("cmark_node_unlink",
+ [c_object_p]),
+ ("cmark_node_append_child",
+ [c_object_p, c_object_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_prepend_child",
+ [c_object_p, c_object_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_insert_before",
+ [c_object_p, c_object_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_insert_after",
+ [c_object_p, c_object_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_consolidate_text_nodes",
+ [c_object_p]),
+ ("cmark_node_get_literal",
+ [c_object_p],
+ c_char_p,
+ unicode_from_char_p),
+ ("cmark_node_set_literal",
+ [c_object_p, c_char_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_get_heading_level",
+ [c_object_p],
+ c_int),
+ ("cmark_node_set_heading_level",
+ [c_object_p, c_int],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_get_list_type",
+ [c_object_p],
+ c_int,
+ ListType.from_id),
+ ("cmark_node_set_list_type",
+ [c_object_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_get_list_delim",
+ [c_object_p],
+ c_int,
+ delim_from_int),
+ ("cmark_node_set_list_delim",
+ [c_object_p, c_int],
+ c_int),
+ ("cmark_node_get_list_start",
+ [c_object_p],
+ c_int),
+ ("cmark_node_set_list_start",
+ [c_object_p, c_int],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_get_list_tight",
+ [c_object_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_set_list_tight",
+ [c_object_p, c_int],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_get_fence_info",
+ [c_object_p],
+ c_char_p,
+ unicode_from_char_p),
+ ("cmark_node_set_fence_info",
+ [c_object_p, c_char_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_get_url",
+ [c_object_p],
+ c_char_p,
+ unicode_from_char_p),
+ ("cmark_node_set_url",
+ [c_object_p, c_char_p],
+ c_int,
+ boolean_from_result),
+ ("cmark_node_get_title",
+ [c_object_p],
+ c_char_p,
+ unicode_from_char_p),
+ ("cmark_node_set_title",
+ [c_object_p, c_char_p],
+ c_int,
+ boolean_from_result),
+]
+
+# Taken from clang.cindex
+def register_function(lib, item, ignore_errors):
+ # A function may not exist, if these bindings are used with an older or
+ # incompatible version of libcmark.so.
+ try:
+ func = getattr(lib, item[0])
+ except AttributeError as e:
+ msg = str(e) + ". Please ensure that your python bindings are "\
+ "compatible with your libcmark version."
+ if ignore_errors:
+ return
+ raise LibcmarkError(msg)
+
+ if len(item) >= 2:
+ func.argtypes = item[1]
+
+ if len(item) >= 3:
+ func.restype = item[2]
+
+ if len(item) == 4:
+ func.errcheck = item[3]
+
+def register_functions(lib, ignore_errors):
+ """Register function prototypes with a libccmark library instance.
+
+ This must be called as part of library instantiation so Python knows how
+ to call out to the shared library.
+ """
+
+ def register(item):
+ return register_function(lib, item, ignore_errors)
+
+ for f in functionList:
+ register(f)
+
+class Config:
+ library_path = None
+ library_file = None
+ compatibility_check = True
+ loaded = False
+ lib_ = None
+
+ @staticmethod
+ def set_library_path(path):
+ """Set the path in which to search for libcmark"""
+ if Config.loaded:
+ raise Exception("library path must be set before before using " \
+ "any other functionalities in libcmark.")
+
+ Config.library_path = path
+
+ @staticmethod
+ def set_library_file(filename):
+ """Set the exact location of libcmark"""
+ if Config.loaded:
+ raise Exception("library file must be set before before using " \
+ "any other functionalities in libcmark.")
+
+ Config.library_file = filename
+
+ @staticmethod
+ def set_compatibility_check(check_status):
+ """ Perform compatibility check when loading libcmark
+
+ The python bindings are only tested and evaluated with the version of
+ libcmark they are provided with. To ensure correct behavior a (limited)
+ compatibility check is performed when loading the bindings. This check
+ will throw an exception, as soon as it fails.
+
+ In case these bindings are used with an older version of libcmark, parts
+ that have been stable between releases may still work. Users of the
+ python bindings can disable the compatibility check. This will cause
+ the python bindings to load, even though they are written for a newer
+ version of libcmark. Failures now arise if unsupported or incompatible
+ features are accessed. The user is required to test themselves if the
+ features they are using are available and compatible between different
+ libcmark versions.
+ """
+ if Config.loaded:
+ raise Exception("compatibility_check must be set before before " \
+ "using any other functionalities in libcmark.")
+
+ Config.compatibility_check = check_status
+
+ @property
+ def lib(self):
+ if self.lib_:
+ return self.lib_
+ lib = self.get_cmark_library()
+ register_functions(lib, not Config.compatibility_check)
+ Config.loaded = True
+ self.lib_ = lib
+ return lib
+
+ def get_filename(self):
+ if Config.library_file:
+ return Config.library_file
+
+ import platform
+ name = platform.system()
+
+ if name == 'Darwin':
+ file = 'libcmark.dylib'
+ elif name == 'Windows':
+ file = 'cmark.dll'
+ else:
+ file = 'libcmark.so'
+
+ if Config.library_path:
+ file = Config.library_path + '/' + file
+
+ return file
+
+ def get_cmark_library(self):
+ try:
+ library = cdll.LoadLibrary(self.get_filename())
+ except OSError as e:
+ msg = str(e) + "(%s). To provide a path to libcmark use " \
+ "Config.set_library_path() or " \
+ "Config.set_library_file()." % self.get_filename()
+ raise LibcmarkError(msg)
+
+ return library
+
+ def function_exists(self, name):
+ try:
+ getattr(self.lib, name)
+ except AttributeError:
+ return False
+
+ return True
+
+conf = Config()
+
+__alla__ = [
+ 'Parser',
+ 'LibcmarkError',
+ 'NodeType',
+ 'ListType',
+ 'Node',
+ 'Document',
+ 'BlockQuote',
+ 'List',
+ 'Item',
+ 'CodeBlock',
+ 'HtmlBlock',
+ 'CustomBlock',
+ 'Paragraph',
+ 'Heading',
+ 'ThematicBreak',
+ 'Text',
+ 'SoftBreak',
+ 'LineBreak',
+ 'Code',
+ 'HtmlInline',
+ 'CustomInline',
+ 'Emph',
+ 'Strong',
+ 'Link',
+ 'Image',
+ 'ExtentType',
+ 'Extent',
+ 'SourceMap',
+ 'markdown_to_html',
+ 'parse_document',
+ 'Config',
+ 'conf'
+]