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