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build_ffi.py
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build_ffi.py
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# -*- coding: utf-8 -*-
import cffi
# Block-level extensions
EXT_TABLES = (1 << 0)
EXT_FENCED_CODE = (1 << 1)
EXT_FOOTNOTES = (1 << 2)
# Span-level extensions
EXT_AUTOLINK = (1 << 3)
EXT_STRIKETHROUGH = (1 << 4)
EXT_UNDERLINE = (1 << 5)
EXT_HIGHLIGHT = (1 << 6)
EXT_QUOTE = (1 << 7)
EXT_SUPERSCRIPT = (1 << 8)
EXT_MATH = (1 << 9)
# Other flags
EXT_NO_INTRA_EMPHASIS = (1 << 11)
EXT_SPACE_HEADERS = (1 << 12)
EXT_MATH_EXPLICIT = (1 << 13)
# Negative flags
EXT_DISABLE_INDENTED_CODE = (1 << 14)
# List flags
LIST_ORDERED = (1 << 0)
LI_BLOCK = (1 << 1) # <li> containing block data
# Table flags
TABLE_ALIGN_LEFT = 1
TABLE_ALIGN_RIGHT = 2
TABLE_ALIGN_CENTER = 3
TABLE_ALIGNMASK = 3
TABLE_HEADER = 4
# HTML flags
HTML_SKIP_HTML = (1 << 0)
HTML_ESCAPE = (1 << 1)
HTML_HARD_WRAP = (1 << 2)
HTML_USE_XHTML = (1 << 3)
# Autolink types
AUTOLINK_NONE = 1 # Used internally when it is not an autolink
AUTOLINK_NORMAL = 2 # Normal http/http/ftp/mailto/etc link
AUTOLINK_EMAIL = 3 # E-mail link without explit mailto:
ffi = cffi.FFI()
ffi.set_source(
'misaka._hoedown',
"""\
#include "hoedown/buffer.h"
#include "hoedown/document.h"
#include "hoedown/escape.h"
#include "hoedown/html.h"
#include "extra.h"
""",
sources=(
'misaka/hoedown/version.c',
'misaka/hoedown/stack.c',
'misaka/hoedown/html_smartypants.c',
'misaka/hoedown/html_blocks.c',
'misaka/hoedown/html.c',
'misaka/hoedown/escape.c',
'misaka/hoedown/document.c',
'misaka/hoedown/buffer.c',
'misaka/hoedown/autolink.c',
'misaka/extra.c',
),
include_dirs=('misaka',))
# NOTE: The constants are refined here, because CFFI
# doesn't parse the bitwise left-shift (<<).
ffi.cdef("""\
// --------------------------
// --- hoedown/document.h ---
// --------------------------
typedef enum hoedown_extensions {{
/* block-level extensions */
HOEDOWN_EXT_TABLES = {0},
HOEDOWN_EXT_FENCED_CODE = {1},
HOEDOWN_EXT_FOOTNOTES = {2},
HOEDOWN_EXT_AUTOLINK = {3},
HOEDOWN_EXT_STRIKETHROUGH = {4},
HOEDOWN_EXT_UNDERLINE = {5},
HOEDOWN_EXT_HIGHLIGHT = {6},
HOEDOWN_EXT_QUOTE = {7},
HOEDOWN_EXT_SUPERSCRIPT = {8},
HOEDOWN_EXT_MATH = {9},
HOEDOWN_EXT_NO_INTRA_EMPHASIS = {10},
HOEDOWN_EXT_SPACE_HEADERS = {11},
HOEDOWN_EXT_MATH_EXPLICIT = {12},
HOEDOWN_EXT_DISABLE_INDENTED_CODE = {13}
}} hoedown_extensions;
typedef enum hoedown_list_flags {{
HOEDOWN_LIST_ORDERED = {14},
HOEDOWN_LI_BLOCK = {15}
}} hoedown_list_flags;
typedef enum hoedown_table_flags {{
HOEDOWN_TABLE_ALIGN_LEFT = {16},
HOEDOWN_TABLE_ALIGN_RIGHT = {17},
HOEDOWN_TABLE_ALIGN_CENTER = {18},
HOEDOWN_TABLE_ALIGNMASK = {19},
HOEDOWN_TABLE_HEADER = {20}
}} hoedown_table_flags;
// ----------------------
// --- hoedown/html.h ---
// ----------------------
typedef enum hoedown_html_flags {{
HOEDOWN_HTML_SKIP_HTML = {21},
HOEDOWN_HTML_ESCAPE = {22},
HOEDOWN_HTML_HARD_WRAP = {23},
HOEDOWN_HTML_USE_XHTML = {24}
}} hoedown_html_flags;
""".format(
EXT_TABLES,
EXT_FENCED_CODE,
EXT_FOOTNOTES,
EXT_AUTOLINK,
EXT_STRIKETHROUGH,
EXT_UNDERLINE,
EXT_HIGHLIGHT,
EXT_QUOTE,
EXT_SUPERSCRIPT,
EXT_MATH,
EXT_NO_INTRA_EMPHASIS,
EXT_SPACE_HEADERS,
EXT_MATH_EXPLICIT,
EXT_DISABLE_INDENTED_CODE,
LIST_ORDERED,
LI_BLOCK,
TABLE_ALIGN_LEFT,
TABLE_ALIGN_RIGHT,
TABLE_ALIGN_CENTER,
TABLE_ALIGNMASK,
TABLE_HEADER,
HTML_SKIP_HTML,
HTML_ESCAPE,
HTML_HARD_WRAP,
HTML_USE_XHTML))
ffi.cdef("""\
// ------------------------
// --- hoedown/buffer.h ---
// ------------------------
typedef void *(*hoedown_realloc_callback)(void *, size_t);
typedef void (*hoedown_free_callback)(void *);
struct hoedown_buffer {
uint8_t *data; /* actual character data */
size_t size; /* size of the string */
size_t asize; /* allocated size (0 = volatile buffer) */
size_t unit; /* reallocation unit size (0 = read-only buffer) */
hoedown_realloc_callback data_realloc;
hoedown_free_callback data_free;
hoedown_free_callback buffer_free;
};
typedef struct hoedown_buffer hoedown_buffer;
void *hoedown_malloc(size_t size);
hoedown_buffer *hoedown_buffer_new(size_t unit);
void hoedown_buffer_grow(hoedown_buffer *buf, size_t neosz);
void hoedown_buffer_puts(hoedown_buffer *buf, const char *str);
void hoedown_buffer_free(hoedown_buffer *buf);
// --------------------------
// --- hoedown/document.h ---
// --------------------------
// NOTE: See earlier ff.cdef() for document.h's constants.
typedef enum hoedown_autolink_type {
HOEDOWN_AUTOLINK_NONE, /* used internally when it is not an autolink*/
HOEDOWN_AUTOLINK_NORMAL, /* normal http/http/ftp/mailto/etc link */
HOEDOWN_AUTOLINK_EMAIL /* e-mail link without explit mailto: */
} hoedown_autolink_type;
struct hoedown_document;
typedef struct hoedown_document hoedown_document;
struct hoedown_renderer_data {
void *opaque;
};
typedef struct hoedown_renderer_data hoedown_renderer_data;
/* hoedown_renderer - functions for rendering parsed data */
struct hoedown_renderer {
/* state object */
void *opaque;
/* block level callbacks - NULL skips the block */
void (*blockcode)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang, const hoedown_renderer_data *data);
void (*blockquote)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*header)(hoedown_buffer *ob, const hoedown_buffer *content, int level, const hoedown_renderer_data *data);
void (*hrule)(hoedown_buffer *ob, const hoedown_renderer_data *data);
void (*list)(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
void (*listitem)(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
void (*paragraph)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_header)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_body)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_row)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_cell)(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_table_flags flags, const hoedown_renderer_data *data);
void (*footnotes)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*footnote_def)(hoedown_buffer *ob, const hoedown_buffer *content, unsigned int num, const hoedown_renderer_data *data);
void (*blockhtml)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* span level callbacks - NULL or return 0 prints the span verbatim */
int (*autolink)(hoedown_buffer *ob, const hoedown_buffer *link, hoedown_autolink_type type, const hoedown_renderer_data *data);
int (*codespan)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
int (*double_emphasis)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*emphasis)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*underline)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*highlight)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*quote)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*image)(hoedown_buffer *ob, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_buffer *alt, const hoedown_renderer_data *data);
int (*linebreak)(hoedown_buffer *ob, const hoedown_renderer_data *data);
int (*link)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_renderer_data *data);
int (*triple_emphasis)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*strikethrough)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*superscript)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*footnote_ref)(hoedown_buffer *ob, unsigned int num, const hoedown_renderer_data *data);
int (*math)(hoedown_buffer *ob, const hoedown_buffer *text, int displaymode, const hoedown_renderer_data *data);
int (*raw_html)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* low level callbacks - NULL copies input directly into the output */
void (*entity)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
void (*normal_text)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* miscellaneous callbacks */
void (*doc_header)(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
void (*doc_footer)(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
};
typedef struct hoedown_renderer hoedown_renderer;
hoedown_document *hoedown_document_new(
const hoedown_renderer *renderer,
hoedown_extensions extensions,
size_t max_nesting
);
void hoedown_document_render(hoedown_document *doc, hoedown_buffer *ob, const uint8_t *data, size_t size);
void hoedown_document_free(hoedown_document *doc);
// ------------------------
// --- hoedown/escape.h ---
// ------------------------
void hoedown_escape_html(hoedown_buffer *ob, const uint8_t *data, size_t size, int secure);
// ----------------------
// --- hoedown/html.h ---
// ----------------------
// NOTE: See earlier ff.cdef() for html.h's constants.
typedef enum hoedown_html_tag {
HOEDOWN_HTML_TAG_NONE = 0,
HOEDOWN_HTML_TAG_OPEN,
HOEDOWN_HTML_TAG_CLOSE
} hoedown_html_tag;
hoedown_renderer *hoedown_html_renderer_new(
hoedown_html_flags render_flags,
int nesting_level
);
hoedown_renderer *hoedown_html_toc_renderer_new(
int nesting_level
);
void hoedown_html_renderer_free(hoedown_renderer *renderer);
void hoedown_html_smartypants(hoedown_buffer *ob, const uint8_t *data, size_t size);
// ---------------
// --- extra.h ---
// ---------------
void *misaka_get_renderer(const hoedown_renderer_data *data);
// ------------------------
// --- Python callbacks ---
// ------------------------
/* block level callbacks - NULL skips the block */
extern "Python" void _misaka_blockcode(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang, const hoedown_renderer_data *data);
extern "Python" void _misaka_blockquote(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" void _misaka_header(hoedown_buffer *ob, const hoedown_buffer *content, int level, const hoedown_renderer_data *data);
extern "Python" void _misaka_hrule(hoedown_buffer *ob, const hoedown_renderer_data *data);
extern "Python" void _misaka_list(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
extern "Python" void _misaka_listitem(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
extern "Python" void _misaka_paragraph(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" void _misaka_table(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" void _misaka_table_header(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" void _misaka_table_body(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" void _misaka_table_row(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" void _misaka_table_cell(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_table_flags flags, const hoedown_renderer_data *data);
extern "Python" void _misaka_footnotes(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" void _misaka_footnote_def(hoedown_buffer *ob, const hoedown_buffer *content, unsigned int num, const hoedown_renderer_data *data);
extern "Python" void _misaka_blockhtml(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* span level callbacks - NULL or return 0 prints the span verbatim */
extern "Python" int _misaka_autolink(hoedown_buffer *ob, const hoedown_buffer *link, hoedown_autolink_type type, const hoedown_renderer_data *data);
extern "Python" int _misaka_codespan(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
extern "Python" int _misaka_double_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_underline(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_highlight(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_quote(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_image(hoedown_buffer *ob, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_buffer *alt, const hoedown_renderer_data *data);
extern "Python" int _misaka_linebreak(hoedown_buffer *ob, const hoedown_renderer_data *data);
extern "Python" int _misaka_link(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_renderer_data *data);
extern "Python" int _misaka_triple_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_strikethrough(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_superscript(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
extern "Python" int _misaka_footnote_ref(hoedown_buffer *ob, unsigned int num, const hoedown_renderer_data *data);
extern "Python" int _misaka_math(hoedown_buffer *ob, const hoedown_buffer *text, int displaymode, const hoedown_renderer_data *data);
extern "Python" int _misaka_raw_html(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* low level callbacks - NULL copies input directly into the output */
extern "Python" void _misaka_entity(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
extern "Python" void _misaka_normal_text(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* miscellaneous callbacks */
extern "Python" void _misaka_doc_header(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
extern "Python" void _misaka_doc_footer(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
""")
if __name__ == '__main__':
ffi.compile()