From aa7c910e262d4c3d655a9a7f853b52d7cd0641a9 Mon Sep 17 00:00:00 2001 From: Joshua Goins Date: Fri, 6 Jan 2023 15:47:14 -0500 Subject: build: remove hoedown vendored source Signed-off-by: Joshua Goins --- libraries/README.md | 8 +- libraries/hoedown/CMakeLists.txt | 26 - libraries/hoedown/LICENSE | 15 - libraries/hoedown/README.md | 9 - libraries/hoedown/include/hoedown/autolink.h | 46 - libraries/hoedown/include/hoedown/buffer.h | 134 -- libraries/hoedown/include/hoedown/document.h | 172 -- libraries/hoedown/include/hoedown/escape.h | 28 - libraries/hoedown/include/hoedown/html.h | 84 - libraries/hoedown/include/hoedown/stack.h | 52 - libraries/hoedown/include/hoedown/version.h | 33 - libraries/hoedown/src/autolink.c | 281 --- libraries/hoedown/src/buffer.c | 308 --- libraries/hoedown/src/document.c | 2958 -------------------------- libraries/hoedown/src/escape.c | 188 -- libraries/hoedown/src/html.c | 754 ------- libraries/hoedown/src/html_blocks.c | 240 --- libraries/hoedown/src/html_smartypants.c | 435 ---- libraries/hoedown/src/stack.c | 79 - libraries/hoedown/src/version.c | 9 - 20 files changed, 5 insertions(+), 5854 deletions(-) delete mode 100644 libraries/hoedown/CMakeLists.txt delete mode 100644 libraries/hoedown/LICENSE delete mode 100644 libraries/hoedown/README.md delete mode 100644 libraries/hoedown/include/hoedown/autolink.h delete mode 100644 libraries/hoedown/include/hoedown/buffer.h delete mode 100644 libraries/hoedown/include/hoedown/document.h delete mode 100644 libraries/hoedown/include/hoedown/escape.h delete mode 100644 libraries/hoedown/include/hoedown/html.h delete mode 100644 libraries/hoedown/include/hoedown/stack.h delete mode 100644 libraries/hoedown/include/hoedown/version.h delete mode 100644 libraries/hoedown/src/autolink.c delete mode 100644 libraries/hoedown/src/buffer.c delete mode 100644 libraries/hoedown/src/document.c delete mode 100644 libraries/hoedown/src/escape.c delete mode 100644 libraries/hoedown/src/html.c delete mode 100644 libraries/hoedown/src/html_blocks.c delete mode 100644 libraries/hoedown/src/html_smartypants.c delete mode 100644 libraries/hoedown/src/stack.c delete mode 100644 libraries/hoedown/src/version.c (limited to 'libraries') diff --git a/libraries/README.md b/libraries/README.md index ac5a3618..95be8740 100644 --- a/libraries/README.md +++ b/libraries/README.md @@ -18,11 +18,13 @@ See [github repo](https://github.com/FeralInteractive/gamemode). BSD-3-Clause licensed -## hoedown +## cmark -Hoedown is a revived fork of Sundown, the Markdown parser based on the original code of the Upskirt library by Natacha Porté. +The C reference implementation of CommonMark, a standardized Markdown spec. -See [github repo](https://github.com/hoedown/hoedown). +See [github_repo](https://github.com/commonmark/cmark). + +BSD2 licensed. ## javacheck diff --git a/libraries/hoedown/CMakeLists.txt b/libraries/hoedown/CMakeLists.txt deleted file mode 100644 index 7902e734..00000000 --- a/libraries/hoedown/CMakeLists.txt +++ /dev/null @@ -1,26 +0,0 @@ -# hoedown 3.0.2 - https://github.com/hoedown/hoedown/archive/3.0.2.tar.gz -project(hoedown LANGUAGES C VERSION 3.0.2) - -set(HOEDOWN_SOURCES -include/hoedown/autolink.h -include/hoedown/buffer.h -include/hoedown/document.h -include/hoedown/escape.h -include/hoedown/html.h -include/hoedown/stack.h -include/hoedown/version.h -src/autolink.c -src/buffer.c -src/document.c -src/escape.c -src/html.c -src/html_blocks.c -src/html_smartypants.c -src/stack.c -src/version.c -) - -# Include self. -add_library(hoedown STATIC ${HOEDOWN_SOURCES}) - -target_include_directories(hoedown PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include) diff --git a/libraries/hoedown/LICENSE b/libraries/hoedown/LICENSE deleted file mode 100644 index 4e75de4d..00000000 --- a/libraries/hoedown/LICENSE +++ /dev/null @@ -1,15 +0,0 @@ -Copyright (c) 2008, Natacha Porté -Copyright (c) 2011, Vicent Martí -Copyright (c) 2014, Xavier Mendez, Devin Torres and the Hoedown authors - -Permission to use, copy, modify, and distribute this software for any -purpose with or without fee is hereby granted, provided that the above -copyright notice and this permission notice appear in all copies. - -THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/libraries/hoedown/README.md b/libraries/hoedown/README.md deleted file mode 100644 index abe2b6ca..00000000 --- a/libraries/hoedown/README.md +++ /dev/null @@ -1,9 +0,0 @@ -Hoedown -======= - -This is Hoedown 3.0.2, taken from [the hoedown github repo](https://github.com/hoedown/hoedown). - -`Hoedown` is a revived fork of [Sundown](https://github.com/vmg/sundown), -the Markdown parser based on the original code of the -[Upskirt library](http://fossil.instinctive.eu/libupskirt/index) -by Natacha Porté. diff --git a/libraries/hoedown/include/hoedown/autolink.h b/libraries/hoedown/include/hoedown/autolink.h deleted file mode 100644 index 953e7807..00000000 --- a/libraries/hoedown/include/hoedown/autolink.h +++ /dev/null @@ -1,46 +0,0 @@ -/* autolink.h - versatile autolinker */ - -#ifndef HOEDOWN_AUTOLINK_H -#define HOEDOWN_AUTOLINK_H - -#include "buffer.h" - -#ifdef __cplusplus -extern "C" { -#endif - - -/************* - * CONSTANTS * - *************/ - -typedef enum hoedown_autolink_flags { - HOEDOWN_AUTOLINK_SHORT_DOMAINS = (1 << 0) -} hoedown_autolink_flags; - - -/************* - * FUNCTIONS * - *************/ - -/* hoedown_autolink_is_safe: verify that a URL has a safe protocol */ -int hoedown_autolink_is_safe(const uint8_t *data, size_t size); - -/* hoedown_autolink__www: search for the next www link in data */ -size_t hoedown_autolink__www(size_t *rewind_p, hoedown_buffer *link, - uint8_t *data, size_t offset, size_t size, hoedown_autolink_flags flags); - -/* hoedown_autolink__email: search for the next email in data */ -size_t hoedown_autolink__email(size_t *rewind_p, hoedown_buffer *link, - uint8_t *data, size_t offset, size_t size, hoedown_autolink_flags flags); - -/* hoedown_autolink__url: search for the next URL in data */ -size_t hoedown_autolink__url(size_t *rewind_p, hoedown_buffer *link, - uint8_t *data, size_t offset, size_t size, hoedown_autolink_flags flags); - - -#ifdef __cplusplus -} -#endif - -#endif /** HOEDOWN_AUTOLINK_H **/ diff --git a/libraries/hoedown/include/hoedown/buffer.h b/libraries/hoedown/include/hoedown/buffer.h deleted file mode 100644 index 062d86ce..00000000 --- a/libraries/hoedown/include/hoedown/buffer.h +++ /dev/null @@ -1,134 +0,0 @@ -/* buffer.h - simple, fast buffers */ - -#ifndef HOEDOWN_BUFFER_H -#define HOEDOWN_BUFFER_H - -#include -#include -#include -#include -#include - -#ifdef __cplusplus -extern "C" { -#endif - -#if defined(_MSC_VER) -#define __attribute__(x) -#define inline __inline -#define __builtin_expect(x,n) x -#endif - - -/********* - * TYPES * - *********/ - -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; - - -/************* - * FUNCTIONS * - *************/ - -/* allocation wrappers */ -void *hoedown_malloc(size_t size) __attribute__ ((malloc)); -void *hoedown_calloc(size_t nmemb, size_t size) __attribute__ ((malloc)); -void *hoedown_realloc(void *ptr, size_t size) __attribute__ ((malloc)); - -/* hoedown_buffer_init: initialize a buffer with custom allocators */ -void hoedown_buffer_init( - hoedown_buffer *buffer, - size_t unit, - hoedown_realloc_callback data_realloc, - hoedown_free_callback data_free, - hoedown_free_callback buffer_free -); - -/* hoedown_buffer_uninit: uninitialize an existing buffer */ -void hoedown_buffer_uninit(hoedown_buffer *buf); - -/* hoedown_buffer_new: allocate a new buffer */ -hoedown_buffer *hoedown_buffer_new(size_t unit) __attribute__ ((malloc)); - -/* hoedown_buffer_reset: free internal data of the buffer */ -void hoedown_buffer_reset(hoedown_buffer *buf); - -/* hoedown_buffer_grow: increase the allocated size to the given value */ -void hoedown_buffer_grow(hoedown_buffer *buf, size_t neosz); - -/* hoedown_buffer_put: append raw data to a buffer */ -void hoedown_buffer_put(hoedown_buffer *buf, const uint8_t *data, size_t size); - -/* hoedown_buffer_puts: append a NUL-terminated string to a buffer */ -void hoedown_buffer_puts(hoedown_buffer *buf, const char *str); - -/* hoedown_buffer_putc: append a single char to a buffer */ -void hoedown_buffer_putc(hoedown_buffer *buf, uint8_t c); - -/* hoedown_buffer_putf: read from a file and append to a buffer, until EOF or error */ -int hoedown_buffer_putf(hoedown_buffer *buf, FILE* file); - -/* hoedown_buffer_set: replace the buffer's contents with raw data */ -void hoedown_buffer_set(hoedown_buffer *buf, const uint8_t *data, size_t size); - -/* hoedown_buffer_sets: replace the buffer's contents with a NUL-terminated string */ -void hoedown_buffer_sets(hoedown_buffer *buf, const char *str); - -/* hoedown_buffer_eq: compare a buffer's data with other data for equality */ -int hoedown_buffer_eq(const hoedown_buffer *buf, const uint8_t *data, size_t size); - -/* hoedown_buffer_eq: compare a buffer's data with NUL-terminated string for equality */ -int hoedown_buffer_eqs(const hoedown_buffer *buf, const char *str); - -/* hoedown_buffer_prefix: compare the beginning of a buffer with a string */ -int hoedown_buffer_prefix(const hoedown_buffer *buf, const char *prefix); - -/* hoedown_buffer_slurp: remove a given number of bytes from the head of the buffer */ -void hoedown_buffer_slurp(hoedown_buffer *buf, size_t size); - -/* hoedown_buffer_cstr: NUL-termination of the string array (making a C-string) */ -const char *hoedown_buffer_cstr(hoedown_buffer *buf); - -/* hoedown_buffer_printf: formatted printing to a buffer */ -void hoedown_buffer_printf(hoedown_buffer *buf, const char *fmt, ...) __attribute__ ((format (printf, 2, 3))); - -/* hoedown_buffer_put_utf8: put a Unicode character encoded as UTF-8 */ -void hoedown_buffer_put_utf8(hoedown_buffer *buf, unsigned int codepoint); - -/* hoedown_buffer_free: free the buffer */ -void hoedown_buffer_free(hoedown_buffer *buf); - - -/* HOEDOWN_BUFPUTSL: optimized hoedown_buffer_puts of a string literal */ -#define HOEDOWN_BUFPUTSL(output, literal) \ - hoedown_buffer_put(output, (const uint8_t *)literal, sizeof(literal) - 1) - -/* HOEDOWN_BUFSETSL: optimized hoedown_buffer_sets of a string literal */ -#define HOEDOWN_BUFSETSL(output, literal) \ - hoedown_buffer_set(output, (const uint8_t *)literal, sizeof(literal) - 1) - -/* HOEDOWN_BUFEQSL: optimized hoedown_buffer_eqs of a string literal */ -#define HOEDOWN_BUFEQSL(output, literal) \ - hoedown_buffer_eq(output, (const uint8_t *)literal, sizeof(literal) - 1) - - -#ifdef __cplusplus -} -#endif - -#endif /** HOEDOWN_BUFFER_H **/ diff --git a/libraries/hoedown/include/hoedown/document.h b/libraries/hoedown/include/hoedown/document.h deleted file mode 100644 index 210c565e..00000000 --- a/libraries/hoedown/include/hoedown/document.h +++ /dev/null @@ -1,172 +0,0 @@ -/* document.h - generic markdown parser */ - -#ifndef HOEDOWN_DOCUMENT_H -#define HOEDOWN_DOCUMENT_H - -#include "buffer.h" -#include "autolink.h" - -#ifdef __cplusplus -extern "C" { -#endif - - -/************* - * CONSTANTS * - *************/ - -typedef enum hoedown_extensions { - /* block-level extensions */ - HOEDOWN_EXT_TABLES = (1 << 0), - HOEDOWN_EXT_FENCED_CODE = (1 << 1), - HOEDOWN_EXT_FOOTNOTES = (1 << 2), - - /* span-level extensions */ - HOEDOWN_EXT_AUTOLINK = (1 << 3), - HOEDOWN_EXT_STRIKETHROUGH = (1 << 4), - HOEDOWN_EXT_UNDERLINE = (1 << 5), - HOEDOWN_EXT_HIGHLIGHT = (1 << 6), - HOEDOWN_EXT_QUOTE = (1 << 7), - HOEDOWN_EXT_SUPERSCRIPT = (1 << 8), - HOEDOWN_EXT_MATH = (1 << 9), - - /* other flags */ - HOEDOWN_EXT_NO_INTRA_EMPHASIS = (1 << 11), - HOEDOWN_EXT_SPACE_HEADERS = (1 << 12), - HOEDOWN_EXT_MATH_EXPLICIT = (1 << 13), - - /* negative flags */ - HOEDOWN_EXT_DISABLE_INDENTED_CODE = (1 << 14) -} hoedown_extensions; - -#define HOEDOWN_EXT_BLOCK (\ - HOEDOWN_EXT_TABLES |\ - HOEDOWN_EXT_FENCED_CODE |\ - HOEDOWN_EXT_FOOTNOTES ) - -#define HOEDOWN_EXT_SPAN (\ - HOEDOWN_EXT_AUTOLINK |\ - HOEDOWN_EXT_STRIKETHROUGH |\ - HOEDOWN_EXT_UNDERLINE |\ - HOEDOWN_EXT_HIGHLIGHT |\ - HOEDOWN_EXT_QUOTE |\ - HOEDOWN_EXT_SUPERSCRIPT |\ - HOEDOWN_EXT_MATH ) - -#define HOEDOWN_EXT_FLAGS (\ - HOEDOWN_EXT_NO_INTRA_EMPHASIS |\ - HOEDOWN_EXT_SPACE_HEADERS |\ - HOEDOWN_EXT_MATH_EXPLICIT ) - -#define HOEDOWN_EXT_NEGATIVE (\ - HOEDOWN_EXT_DISABLE_INDENTED_CODE ) - -typedef enum hoedown_list_flags { - HOEDOWN_LIST_ORDERED = (1 << 0), - HOEDOWN_LI_BLOCK = (1 << 1) /*
  • containing block data */ -} hoedown_list_flags; - -typedef enum hoedown_table_flags { - HOEDOWN_TABLE_ALIGN_LEFT = 1, - HOEDOWN_TABLE_ALIGN_RIGHT = 2, - HOEDOWN_TABLE_ALIGN_CENTER = 3, - HOEDOWN_TABLE_ALIGNMASK = 3, - HOEDOWN_TABLE_HEADER = 4 -} hoedown_table_flags; - -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; - - -/********* - * TYPES * - *********/ - -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; - - -/************* - * FUNCTIONS * - *************/ - -/* hoedown_document_new: allocate a new document processor instance */ -hoedown_document *hoedown_document_new( - const hoedown_renderer *renderer, - hoedown_extensions extensions, - size_t max_nesting -) __attribute__ ((malloc)); - -/* hoedown_document_render: render regular Markdown using the document processor */ -void hoedown_document_render(hoedown_document *doc, hoedown_buffer *ob, const uint8_t *data, size_t size); - -/* hoedown_document_render_inline: render inline Markdown using the document processor */ -void hoedown_document_render_inline(hoedown_document *doc, hoedown_buffer *ob, const uint8_t *data, size_t size); - -/* hoedown_document_free: deallocate a document processor instance */ -void hoedown_document_free(hoedown_document *doc); - - -#ifdef __cplusplus -} -#endif - -#endif /** HOEDOWN_DOCUMENT_H **/ diff --git a/libraries/hoedown/include/hoedown/escape.h b/libraries/hoedown/include/hoedown/escape.h deleted file mode 100644 index d7659c27..00000000 --- a/libraries/hoedown/include/hoedown/escape.h +++ /dev/null @@ -1,28 +0,0 @@ -/* escape.h - escape utilities */ - -#ifndef HOEDOWN_ESCAPE_H -#define HOEDOWN_ESCAPE_H - -#include "buffer.h" - -#ifdef __cplusplus -extern "C" { -#endif - - -/************* - * FUNCTIONS * - *************/ - -/* hoedown_escape_href: escape (part of) a URL inside HTML */ -void hoedown_escape_href(hoedown_buffer *ob, const uint8_t *data, size_t size); - -/* hoedown_escape_html: escape HTML */ -void hoedown_escape_html(hoedown_buffer *ob, const uint8_t *data, size_t size, int secure); - - -#ifdef __cplusplus -} -#endif - -#endif /** HOEDOWN_ESCAPE_H **/ diff --git a/libraries/hoedown/include/hoedown/html.h b/libraries/hoedown/include/hoedown/html.h deleted file mode 100644 index 7c68809a..00000000 --- a/libraries/hoedown/include/hoedown/html.h +++ /dev/null @@ -1,84 +0,0 @@ -/* html.h - HTML renderer and utilities */ - -#ifndef HOEDOWN_HTML_H -#define HOEDOWN_HTML_H - -#include "document.h" -#include "buffer.h" - -#ifdef __cplusplus -extern "C" { -#endif - - -/************* - * CONSTANTS * - *************/ - -typedef enum hoedown_html_flags { - HOEDOWN_HTML_SKIP_HTML = (1 << 0), - HOEDOWN_HTML_ESCAPE = (1 << 1), - HOEDOWN_HTML_HARD_WRAP = (1 << 2), - HOEDOWN_HTML_USE_XHTML = (1 << 3) -} hoedown_html_flags; - -typedef enum hoedown_html_tag { - HOEDOWN_HTML_TAG_NONE = 0, - HOEDOWN_HTML_TAG_OPEN, - HOEDOWN_HTML_TAG_CLOSE -} hoedown_html_tag; - - -/********* - * TYPES * - *********/ - -struct hoedown_html_renderer_state { - void *opaque; - - struct { - int header_count; - int current_level; - int level_offset; - int nesting_level; - } toc_data; - - hoedown_html_flags flags; - - /* extra callbacks */ - void (*link_attributes)(hoedown_buffer *ob, const hoedown_buffer *url, const hoedown_renderer_data *data); -}; -typedef struct hoedown_html_renderer_state hoedown_html_renderer_state; - - -/************* - * FUNCTIONS * - *************/ - -/* hoedown_html_smartypants: process an HTML snippet using SmartyPants for smart punctuation */ -void hoedown_html_smartypants(hoedown_buffer *ob, const uint8_t *data, size_t size); - -/* hoedown_html_is_tag: checks if data starts with a specific tag, returns the tag type or NONE */ -hoedown_html_tag hoedown_html_is_tag(const uint8_t *data, size_t size, const char *tagname); - - -/* hoedown_html_renderer_new: allocates a regular HTML renderer */ -hoedown_renderer *hoedown_html_renderer_new( - hoedown_html_flags render_flags, - int nesting_level -) __attribute__ ((malloc)); - -/* hoedown_html_toc_renderer_new: like hoedown_html_renderer_new, but the returned renderer produces the Table of Contents */ -hoedown_renderer *hoedown_html_toc_renderer_new( - int nesting_level -) __attribute__ ((malloc)); - -/* hoedown_html_renderer_free: deallocate an HTML renderer */ -void hoedown_html_renderer_free(hoedown_renderer *renderer); - - -#ifdef __cplusplus -} -#endif - -#endif /** HOEDOWN_HTML_H **/ diff --git a/libraries/hoedown/include/hoedown/stack.h b/libraries/hoedown/include/hoedown/stack.h deleted file mode 100644 index d1855f4f..00000000 --- a/libraries/hoedown/include/hoedown/stack.h +++ /dev/null @@ -1,52 +0,0 @@ -/* stack.h - simple stacking */ - -#ifndef HOEDOWN_STACK_H -#define HOEDOWN_STACK_H - -#include - -#ifdef __cplusplus -extern "C" { -#endif - - -/********* - * TYPES * - *********/ - -struct hoedown_stack { - void **item; - size_t size; - size_t asize; -}; -typedef struct hoedown_stack hoedown_stack; - - -/************* - * FUNCTIONS * - *************/ - -/* hoedown_stack_init: initialize a stack */ -void hoedown_stack_init(hoedown_stack *st, size_t initial_size); - -/* hoedown_stack_uninit: free internal data of the stack */ -void hoedown_stack_uninit(hoedown_stack *st); - -/* hoedown_stack_grow: increase the allocated size to the given value */ -void hoedown_stack_grow(hoedown_stack *st, size_t neosz); - -/* hoedown_stack_push: push an item to the top of the stack */ -void hoedown_stack_push(hoedown_stack *st, void *item); - -/* hoedown_stack_pop: retrieve and remove the item at the top of the stack */ -void *hoedown_stack_pop(hoedown_stack *st); - -/* hoedown_stack_top: retrieve the item at the top of the stack */ -void *hoedown_stack_top(const hoedown_stack *st); - - -#ifdef __cplusplus -} -#endif - -#endif /** HOEDOWN_STACK_H **/ diff --git a/libraries/hoedown/include/hoedown/version.h b/libraries/hoedown/include/hoedown/version.h deleted file mode 100644 index 4938cae5..00000000 --- a/libraries/hoedown/include/hoedown/version.h +++ /dev/null @@ -1,33 +0,0 @@ -/* version.h - holds Hoedown's version */ - -#ifndef HOEDOWN_VERSION_H -#define HOEDOWN_VERSION_H - -#ifdef __cplusplus -extern "C" { -#endif - - -/************* - * CONSTANTS * - *************/ - -#define HOEDOWN_VERSION "3.0.2" -#define HOEDOWN_VERSION_MAJOR 3 -#define HOEDOWN_VERSION_MINOR 0 -#define HOEDOWN_VERSION_REVISION 2 - - -/************* - * FUNCTIONS * - *************/ - -/* hoedown_version: retrieve Hoedown's version numbers */ -void hoedown_version(int *major, int *minor, int *revision); - - -#ifdef __cplusplus -} -#endif - -#endif /** HOEDOWN_VERSION_H **/ diff --git a/libraries/hoedown/src/autolink.c b/libraries/hoedown/src/autolink.c deleted file mode 100644 index 3592b8e3..00000000 --- a/libraries/hoedown/src/autolink.c +++ /dev/null @@ -1,281 +0,0 @@ -#include "hoedown/autolink.h" - -#include -#include -#include -#include - -#ifndef _MSC_VER -#include -#else -#define strncasecmp _strnicmp -#endif - -int -hoedown_autolink_is_safe(const uint8_t *data, size_t size) -{ - static const size_t valid_uris_count = 6; - static const char *valid_uris[] = { - "http://", "https://", "/", "#", "ftp://", "mailto:" - }; - static const size_t valid_uris_size[] = { 7, 8, 1, 1, 6, 7 }; - size_t i; - - for (i = 0; i < valid_uris_count; ++i) { - size_t len = valid_uris_size[i]; - - if (size > len && - strncasecmp((char *)data, valid_uris[i], len) == 0 && - isalnum(data[len])) - return 1; - } - - return 0; -} - -static size_t -autolink_delim(uint8_t *data, size_t link_end, size_t max_rewind, size_t size) -{ - uint8_t cclose, copen = 0; - size_t i; - - for (i = 0; i < link_end; ++i) - if (data[i] == '<') { - link_end = i; - break; - } - - while (link_end > 0) { - if (strchr("?!.,:", data[link_end - 1]) != NULL) - link_end--; - - else if (data[link_end - 1] == ';') { - size_t new_end = link_end - 2; - - while (new_end > 0 && isalpha(data[new_end])) - new_end--; - - if (new_end < link_end - 2 && data[new_end] == '&') - link_end = new_end; - else - link_end--; - } - else break; - } - - if (link_end == 0) - return 0; - - cclose = data[link_end - 1]; - - switch (cclose) { - case '"': copen = '"'; break; - case '\'': copen = '\''; break; - case ')': copen = '('; break; - case ']': copen = '['; break; - case '}': copen = '{'; break; - } - - if (copen != 0) { - size_t closing = 0; - size_t opening = 0; - size_t i = 0; - - /* Try to close the final punctuation sign in this same line; - * if we managed to close it outside of the URL, that means that it's - * not part of the URL. If it closes inside the URL, that means it - * is part of the URL. - * - * Examples: - * - * foo http://www.pokemon.com/Pikachu_(Electric) bar - * => http://www.pokemon.com/Pikachu_(Electric) - * - * foo (http://www.pokemon.com/Pikachu_(Electric)) bar - * => http://www.pokemon.com/Pikachu_(Electric) - * - * foo http://www.pokemon.com/Pikachu_(Electric)) bar - * => http://www.pokemon.com/Pikachu_(Electric)) - * - * (foo http://www.pokemon.com/Pikachu_(Electric)) bar - * => foo http://www.pokemon.com/Pikachu_(Electric) - */ - - while (i < link_end) { - if (data[i] == copen) - opening++; - else if (data[i] == cclose) - closing++; - - i++; - } - - if (closing != opening) - link_end--; - } - - return link_end; -} - -static size_t -check_domain(uint8_t *data, size_t size, int allow_short) -{ - size_t i, np = 0; - - if (!isalnum(data[0])) - return 0; - - for (i = 1; i < size - 1; ++i) { - if (strchr(".:", data[i]) != NULL) np++; - else if (!isalnum(data[i]) && data[i] != '-') break; - } - - if (allow_short) { - /* We don't need a valid domain in the strict sense (with - * least one dot; so just make sure it's composed of valid - * domain characters and return the length of the the valid - * sequence. */ - return i; - } else { - /* a valid domain needs to have at least a dot. - * that's as far as we get */ - return np ? i : 0; - } -} - -size_t -hoedown_autolink__www( - size_t *rewind_p, - hoedown_buffer *link, - uint8_t *data, - size_t max_rewind, - size_t size, - hoedown_autolink_flags flags) -{ - size_t link_end; - - if (max_rewind > 0 && !ispunct(data[-1]) && !isspace(data[-1])) - return 0; - - if (size < 4 || memcmp(data, "www.", strlen("www.")) != 0) - return 0; - - link_end = check_domain(data, size, 0); - - if (link_end == 0) - return 0; - - while (link_end < size && !isspace(data[link_end])) - link_end++; - - link_end = autolink_delim(data, link_end, max_rewind, size); - - if (link_end == 0) - return 0; - - hoedown_buffer_put(link, data, link_end); - *rewind_p = 0; - - return (int)link_end; -} - -size_t -hoedown_autolink__email( - size_t *rewind_p, - hoedown_buffer *link, - uint8_t *data, - size_t max_rewind, - size_t size, - hoedown_autolink_flags flags) -{ - size_t link_end, rewind; - int nb = 0, np = 0; - - for (rewind = 0; rewind < max_rewind; ++rewind) { - uint8_t c = data[-1 - rewind]; - - if (isalnum(c)) - continue; - - if (strchr(".+-_", c) != NULL) - continue; - - break; - } - - if (rewind == 0) - return 0; - - for (link_end = 0; link_end < size; ++link_end) { - uint8_t c = data[link_end]; - - if (isalnum(c)) - continue; - - if (c == '@') - nb++; - else if (c == '.' && link_end < size - 1) - np++; - else if (c != '-' && c != '_') - break; - } - - if (link_end < 2 || nb != 1 || np == 0 || - !isalpha(data[link_end - 1])) - return 0; - - link_end = autolink_delim(data, link_end, max_rewind, size); - - if (link_end == 0) - return 0; - - hoedown_buffer_put(link, data - rewind, link_end + rewind); - *rewind_p = rewind; - - return link_end; -} - -size_t -hoedown_autolink__url( - size_t *rewind_p, - hoedown_buffer *link, - uint8_t *data, - size_t max_rewind, - size_t size, - hoedown_autolink_flags flags) -{ - size_t link_end, rewind = 0, domain_len; - - if (size < 4 || data[1] != '/' || data[2] != '/') - return 0; - - while (rewind < max_rewind && isalpha(data[-1 - rewind])) - rewind++; - - if (!hoedown_autolink_is_safe(data - rewind, size + rewind)) - return 0; - - link_end = strlen("://"); - - domain_len = check_domain( - data + link_end, - size - link_end, - flags & HOEDOWN_AUTOLINK_SHORT_DOMAINS); - - if (domain_len == 0) - return 0; - - link_end += domain_len; - while (link_end < size && !isspace(data[link_end])) - link_end++; - - link_end = autolink_delim(data, link_end, max_rewind, size); - - if (link_end == 0) - return 0; - - hoedown_buffer_put(link, data - rewind, link_end + rewind); - *rewind_p = rewind; - - return link_end; -} diff --git a/libraries/hoedown/src/buffer.c b/libraries/hoedown/src/buffer.c deleted file mode 100644 index 024a8bcc..00000000 --- a/libraries/hoedown/src/buffer.c +++ /dev/null @@ -1,308 +0,0 @@ -#include "hoedown/buffer.h" - -#include -#include -#include -#include - -void * -hoedown_malloc(size_t size) -{ - void *ret = malloc(size); - - if (!ret) { - fprintf(stderr, "Allocation failed.\n"); - abort(); - } - - return ret; -} - -void * -hoedown_calloc(size_t nmemb, size_t size) -{ - void *ret = calloc(nmemb, size); - - if (!ret) { - fprintf(stderr, "Allocation failed.\n"); - abort(); - } - - return ret; -} - -void * -hoedown_realloc(void *ptr, size_t size) -{ - void *ret = realloc(ptr, size); - - if (!ret) { - fprintf(stderr, "Allocation failed.\n"); - abort(); - } - - return ret; -} - -void -hoedown_buffer_init( - hoedown_buffer *buf, - size_t unit, - hoedown_realloc_callback data_realloc, - hoedown_free_callback data_free, - hoedown_free_callback buffer_free) -{ - assert(buf); - - buf->data = NULL; - buf->size = buf->asize = 0; - buf->unit = unit; - buf->data_realloc = data_realloc; - buf->data_free = data_free; - buf->buffer_free = buffer_free; -} - -void -hoedown_buffer_uninit(hoedown_buffer *buf) -{ - assert(buf && buf->unit); - buf->data_free(buf->data); -} - -hoedown_buffer * -hoedown_buffer_new(size_t unit) -{ - hoedown_buffer *ret = hoedown_malloc(sizeof (hoedown_buffer)); - hoedown_buffer_init(ret, unit, hoedown_realloc, free, free); - return ret; -} - -void -hoedown_buffer_free(hoedown_buffer *buf) -{ - if (!buf) return; - assert(buf && buf->unit); - - buf->data_free(buf->data); - - if (buf->buffer_free) - buf->buffer_free(buf); -} - -void -hoedown_buffer_reset(hoedown_buffer *buf) -{ - assert(buf && buf->unit); - - buf->data_free(buf->data); - buf->data = NULL; - buf->size = buf->asize = 0; -} - -void -hoedown_buffer_grow(hoedown_buffer *buf, size_t neosz) -{ - size_t neoasz; - assert(buf && buf->unit); - - if (buf->asize >= neosz) - return; - - neoasz = buf->asize + buf->unit; - while (neoasz < neosz) - neoasz += buf->unit; - - buf->data = (uint8_t *) buf->data_realloc(buf->data, neoasz); - buf->asize = neoasz; -} - -void -hoedown_buffer_put(hoedown_buffer *buf, const uint8_t *data, size_t size) -{ - assert(buf && buf->unit); - - if (buf->size + size > buf->asize) - hoedown_buffer_grow(buf, buf->size + size); - - memcpy(buf->data + buf->size, data, size); - buf->size += size; -} - -void -hoedown_buffer_puts(hoedown_buffer *buf, const char *str) -{ - hoedown_buffer_put(buf, (const uint8_t *)str, strlen(str)); -} - -void -hoedown_buffer_putc(hoedown_buffer *buf, uint8_t c) -{ - assert(buf && buf->unit); - - if (buf->size >= buf->asize) - hoedown_buffer_grow(buf, buf->size + 1); - - buf->data[buf->size] = c; - buf->size += 1; -} - -int -hoedown_buffer_putf(hoedown_buffer *buf, FILE *file) -{ - assert(buf && buf->unit); - - while (!(feof(file) || ferror(file))) { - hoedown_buffer_grow(buf, buf->size + buf->unit); - buf->size += fread(buf->data + buf->size, 1, buf->unit, file); - } - - return ferror(file); -} - -void -hoedown_buffer_set(hoedown_buffer *buf, const uint8_t *data, size_t size) -{ - assert(buf && buf->unit); - - if (size > buf->asize) - hoedown_buffer_grow(buf, size); - - memcpy(buf->data, data, size); - buf->size = size; -} - -void -hoedown_buffer_sets(hoedown_buffer *buf, const char *str) -{ - hoedown_buffer_set(buf, (const uint8_t *)str, strlen(str)); -} - -int -hoedown_buffer_eq(const hoedown_buffer *buf, const uint8_t *data, size_t size) -{ - if (buf->size != size) return 0; - return memcmp(buf->data, data, size) == 0; -} - -int -hoedown_buffer_eqs(const hoedown_buffer *buf, const char *str) -{ - return hoedown_buffer_eq(buf, (const uint8_t *)str, strlen(str)); -} - -int -hoedown_buffer_prefix(const hoedown_buffer *buf, const char *prefix) -{ - size_t i; - - for (i = 0; i < buf->size; ++i) { - if (prefix[i] == 0) - return 0; - - if (buf->data[i] != prefix[i]) - return buf->data[i] - prefix[i]; - } - - return 0; -} - -void -hoedown_buffer_slurp(hoedown_buffer *buf, size_t size) -{ - assert(buf && buf->unit); - - if (size >= buf->size) { - buf->size = 0; - return; - } - - buf->size -= size; - memmove(buf->data, buf->data + size, buf->size); -} - -const char * -hoedown_buffer_cstr(hoedown_buffer *buf) -{ - assert(buf && buf->unit); - - if (buf->size < buf->asize && buf->data[buf->size] == 0) - return (char *)buf->data; - - hoedown_buffer_grow(buf, buf->size + 1); - buf->data[buf->size] = 0; - - return (char *)buf->data; -} - -void -hoedown_buffer_printf(hoedown_buffer *buf, const char *fmt, ...) -{ - va_list ap; - int n; - - assert(buf && buf->unit); - - if (buf->size >= buf->asize) - hoedown_buffer_grow(buf, buf->size + 1); - - va_start(ap, fmt); - n = vsnprintf((char *)buf->data + buf->size, buf->asize - buf->size, fmt, ap); - va_end(ap); - - if (n < 0) { -#ifndef _MSC_VER - return; -#else - va_start(ap, fmt); - n = _vscprintf(fmt, ap); - va_end(ap); -#endif - } - - if ((size_t)n >= buf->asize - buf->size) { - hoedown_buffer_grow(buf, buf->size + n + 1); - - va_start(ap, fmt); - n = vsnprintf((char *)buf->data + buf->size, buf->asize - buf->size, fmt, ap); - va_end(ap); - } - - if (n < 0) - return; - - buf->size += n; -} - -void hoedown_buffer_put_utf8(hoedown_buffer *buf, unsigned int c) { - unsigned char unichar[4]; - - assert(buf && buf->unit); - - if (c < 0x80) { - hoedown_buffer_putc(buf, c); - } - else if (c < 0x800) { - unichar[0] = 192 + (c / 64); - unichar[1] = 128 + (c % 64); - hoedown_buffer_put(buf, unichar, 2); - } - else if (c - 0xd800u < 0x800) { - HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd"); - } - else if (c < 0x10000) { - unichar[0] = 224 + (c / 4096); - unichar[1] = 128 + (c / 64) % 64; - unichar[2] = 128 + (c % 64); - hoedown_buffer_put(buf, unichar, 3); - } - else if (c < 0x110000) { - unichar[0] = 240 + (c / 262144); - unichar[1] = 128 + (c / 4096) % 64; - unichar[2] = 128 + (c / 64) % 64; - unichar[3] = 128 + (c % 64); - hoedown_buffer_put(buf, unichar, 4); - } - else { - HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd"); - } -} diff --git a/libraries/hoedown/src/document.c b/libraries/hoedown/src/document.c deleted file mode 100644 index e9e2ab11..00000000 --- a/libraries/hoedown/src/document.c +++ /dev/null @@ -1,2958 +0,0 @@ -#include "hoedown/document.h" - -#include -#include -#include -#include - -#include "hoedown/stack.h" - -#ifndef _MSC_VER -#include -#else -#define strncasecmp _strnicmp -#endif - -#define REF_TABLE_SIZE 8 - -#define BUFFER_BLOCK 0 -#define BUFFER_SPAN 1 - -#define HOEDOWN_LI_END 8 /* internal list flag */ - -const char *hoedown_find_block_tag(const char *str, unsigned int len); - -/*************** - * LOCAL TYPES * - ***************/ - -/* link_ref: reference to a link */ -struct link_ref { - unsigned int id; - - hoedown_buffer *link; - hoedown_buffer *title; - - struct link_ref *next; -}; - -/* footnote_ref: reference to a footnote */ -struct footnote_ref { - unsigned int id; - - int is_used; - unsigned int num; - - hoedown_buffer *contents; -}; - -/* footnote_item: an item in a footnote_list */ -struct footnote_item { - struct footnote_ref *ref; - struct footnote_item *next; -}; - -/* footnote_list: linked list of footnote_item */ -struct footnote_list { - unsigned int count; - struct footnote_item *head; - struct footnote_item *tail; -}; - -/* char_trigger: function pointer to render active chars */ -/* returns the number of chars taken care of */ -/* data is the pointer of the beginning of the span */ -/* offset is the number of valid chars before data */ -typedef size_t -(*char_trigger)(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); - -static size_t char_emphasis(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_quote(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_linebreak(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_codespan(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_escape(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_entity(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_langle_tag(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_autolink_url(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_autolink_email(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_autolink_www(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_link(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_superscript(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); -static size_t char_math(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size); - -enum markdown_char_t { - MD_CHAR_NONE = 0, - MD_CHAR_EMPHASIS, - MD_CHAR_CODESPAN, - MD_CHAR_LINEBREAK, - MD_CHAR_LINK, - MD_CHAR_LANGLE, - MD_CHAR_ESCAPE, - MD_CHAR_ENTITY, - MD_CHAR_AUTOLINK_URL, - MD_CHAR_AUTOLINK_EMAIL, - MD_CHAR_AUTOLINK_WWW, - MD_CHAR_SUPERSCRIPT, - MD_CHAR_QUOTE, - MD_CHAR_MATH -}; - -static char_trigger markdown_char_ptrs[] = { - NULL, - &char_emphasis, - &char_codespan, - &char_linebreak, - &char_link, - &char_langle_tag, - &char_escape, - &char_entity, - &char_autolink_url, - &char_autolink_email, - &char_autolink_www, - &char_superscript, - &char_quote, - &char_math -}; - -struct hoedown_document { - hoedown_renderer md; - hoedown_renderer_data data; - - struct link_ref *refs[REF_TABLE_SIZE]; - struct footnote_list footnotes_found; - struct footnote_list footnotes_used; - uint8_t active_char[256]; - hoedown_stack work_bufs[2]; - hoedown_extensions ext_flags; - size_t max_nesting; - int in_link_body; -}; - -/*************************** - * HELPER FUNCTIONS * - ***************************/ - -static hoedown_buffer * -newbuf(hoedown_document *doc, int type) -{ - static const size_t buf_size[2] = {256, 64}; - hoedown_buffer *work = NULL; - hoedown_stack *pool = &doc->work_bufs[type]; - - if (pool->size < pool->asize && - pool->item[pool->size] != NULL) { - work = pool->item[pool->size++]; - work->size = 0; - } else { - work = hoedown_buffer_new(buf_size[type]); - hoedown_stack_push(pool, work); - } - - return work; -} - -static void -popbuf(hoedown_document *doc, int type) -{ - doc->work_bufs[type].size--; -} - -static void -unscape_text(hoedown_buffer *ob, hoedown_buffer *src) -{ - size_t i = 0, org; - while (i < src->size) { - org = i; - while (i < src->size && src->data[i] != '\\') - i++; - - if (i > org) - hoedown_buffer_put(ob, src->data + org, i - org); - - if (i + 1 >= src->size) - break; - - hoedown_buffer_putc(ob, src->data[i + 1]); - i += 2; - } -} - -static unsigned int -hash_link_ref(const uint8_t *link_ref, size_t length) -{ - size_t i; - unsigned int hash = 0; - - for (i = 0; i < length; ++i) - hash = tolower(link_ref[i]) + (hash << 6) + (hash << 16) - hash; - - return hash; -} - -static struct link_ref * -add_link_ref( - struct link_ref **references, - const uint8_t *name, size_t name_size) -{ - struct link_ref *ref = hoedown_calloc(1, sizeof(struct link_ref)); - - ref->id = hash_link_ref(name, name_size); - ref->next = references[ref->id % REF_TABLE_SIZE]; - - references[ref->id % REF_TABLE_SIZE] = ref; - return ref; -} - -static struct link_ref * -find_link_ref(struct link_ref **references, uint8_t *name, size_t length) -{ - unsigned int hash = hash_link_ref(name, length); - struct link_ref *ref = NULL; - - ref = references[hash % REF_TABLE_SIZE]; - - while (ref != NULL) { - if (ref->id == hash) - return ref; - - ref = ref->next; - } - - return NULL; -} - -static void -free_link_refs(struct link_ref **references) -{ - size_t i; - - for (i = 0; i < REF_TABLE_SIZE; ++i) { - struct link_ref *r = references[i]; - struct link_ref *next; - - while (r) { - next = r->next; - hoedown_buffer_free(r->link); - hoedown_buffer_free(r->title); - free(r); - r = next; - } - } -} - -static struct footnote_ref * -create_footnote_ref(struct footnote_list *list, const uint8_t *name, size_t name_size) -{ - struct footnote_ref *ref = hoedown_calloc(1, sizeof(struct footnote_ref)); - - ref->id = hash_link_ref(name, name_size); - - return ref; -} - -static int -add_footnote_ref(struct footnote_list *list, struct footnote_ref *ref) -{ - struct footnote_item *item = hoedown_calloc(1, sizeof(struct footnote_item)); - if (!item) - return 0; - item->ref = ref; - - if (list->head == NULL) { - list->head = list->tail = item; - } else { - list->tail->next = item; - list->tail = item; - } - list->count++; - - return 1; -} - -static struct footnote_ref * -find_footnote_ref(struct footnote_list *list, uint8_t *name, size_t length) -{ - unsigned int hash = hash_link_ref(name, length); - struct footnote_item *item = NULL; - - item = list->head; - - while (item != NULL) { - if (item->ref->id == hash) - return item->ref; - item = item->next; - } - - return NULL; -} - -static void -free_footnote_ref(struct footnote_ref *ref) -{ - hoedown_buffer_free(ref->contents); - free(ref); -} - -static void -free_footnote_list(struct footnote_list *list, int free_refs) -{ - struct footnote_item *item = list->head; - struct footnote_item *next; - - while (item) { - next = item->next; - if (free_refs) - free_footnote_ref(item->ref); - free(item); - item = next; - } -} - - -/* - * Check whether a char is a Markdown spacing char. - - * Right now we only consider spaces the actual - * space and a newline: tabs and carriage returns - * are filtered out during the preprocessing phase. - * - * If we wanted to actually be UTF-8 compliant, we - * should instead extract an Unicode codepoint from - * this character and check for space properties. - */ -static int -_isspace(int c) -{ - return c == ' ' || c == '\n'; -} - -/* is_empty_all: verify that all the data is spacing */ -static int -is_empty_all(const uint8_t *data, size_t size) -{ - size_t i = 0; - while (i < size && _isspace(data[i])) i++; - return i == size; -} - -/* - * Replace all spacing characters in data with spaces. As a special - * case, this collapses a newline with the previous space, if possible. - */ -static void -replace_spacing(hoedown_buffer *ob, const uint8_t *data, size_t size) -{ - size_t i = 0, mark; - hoedown_buffer_grow(ob, size); - while (1) { - mark = i; - while (i < size && data[i] != '\n') i++; - hoedown_buffer_put(ob, data + mark, i - mark); - - if (i >= size) break; - - if (!(i > 0 && data[i-1] == ' ')) - hoedown_buffer_putc(ob, ' '); - i++; - } -} - -/**************************** - * INLINE PARSING FUNCTIONS * - ****************************/ - -/* is_mail_autolink • looks for the address part of a mail autolink and '>' */ -/* this is less strict than the original markdown e-mail address matching */ -static size_t -is_mail_autolink(uint8_t *data, size_t size) -{ - size_t i = 0, nb = 0; - - /* address is assumed to be: [-@._a-zA-Z0-9]+ with exactly one '@' */ - for (i = 0; i < size; ++i) { - if (isalnum(data[i])) - continue; - - switch (data[i]) { - case '@': - nb++; - - case '-': - case '.': - case '_': - break; - - case '>': - return (nb == 1) ? i + 1 : 0; - - default: - return 0; - } - } - - return 0; -} - -/* tag_length • returns the length of the given tag, or 0 is it's not valid */ -static size_t -tag_length(uint8_t *data, size_t size, hoedown_autolink_type *autolink) -{ - size_t i, j; - - /* a valid tag can't be shorter than 3 chars */ - if (size < 3) return 0; - - /* begins with a '<' optionally followed by '/', followed by letter or number */ - if (data[0] != '<') return 0; - i = (data[1] == '/') ? 2 : 1; - - if (!isalnum(data[i])) - return 0; - - /* scheme test */ - *autolink = HOEDOWN_AUTOLINK_NONE; - - /* try to find the beginning of an URI */ - while (i < size && (isalnum(data[i]) || data[i] == '.' || data[i] == '+' || data[i] == '-')) - i++; - - if (i > 1 && data[i] == '@') { - if ((j = is_mail_autolink(data + i, size - i)) != 0) { - *autolink = HOEDOWN_AUTOLINK_EMAIL; - return i + j; - } - } - - if (i > 2 && data[i] == ':') { - *autolink = HOEDOWN_AUTOLINK_NORMAL; - i++; - } - - /* completing autolink test: no spacing or ' or " */ - if (i >= size) - *autolink = HOEDOWN_AUTOLINK_NONE; - - else if (*autolink) { - j = i; - - while (i < size) { - if (data[i] == '\\') i += 2; - else if (data[i] == '>' || data[i] == '\'' || - data[i] == '"' || data[i] == ' ' || data[i] == '\n') - break; - else i++; - } - - if (i >= size) return 0; - if (i > j && data[i] == '>') return i + 1; - /* one of the forbidden chars has been found */ - *autolink = HOEDOWN_AUTOLINK_NONE; - } - - /* looking for something looking like a tag end */ - while (i < size && data[i] != '>') i++; - if (i >= size) return 0; - return i + 1; -} - -/* parse_inline • parses inline markdown elements */ -static void -parse_inline(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t size) -{ - size_t i = 0, end = 0, consumed = 0; - hoedown_buffer work = { 0, 0, 0, 0, NULL, NULL, NULL }; - uint8_t *active_char = doc->active_char; - - if (doc->work_bufs[BUFFER_SPAN].size + - doc->work_bufs[BUFFER_BLOCK].size > doc->max_nesting) - return; - - while (i < size) { - /* copying inactive chars into the output */ - while (end < size && active_char[data[end]] == 0) - end++; - - if (doc->md.normal_text) { - work.data = data + i; - work.size = end - i; - doc->md.normal_text(ob, &work, &doc->data); - } - else - hoedown_buffer_put(ob, data + i, end - i); - - if (end >= size) break; - i = end; - - end = markdown_char_ptrs[ (int)active_char[data[end]] ](ob, doc, data + i, i - consumed, size - i); - if (!end) /* no action from the callback */ - end = i + 1; - else { - i += end; - end = i; - consumed = i; - } - } -} - -/* is_escaped • returns whether special char at data[loc] is escaped by '\\' */ -static int -is_escaped(uint8_t *data, size_t loc) -{ - size_t i = loc; - while (i >= 1 && data[i - 1] == '\\') - i--; - - /* odd numbers of backslashes escapes data[loc] */ - return (loc - i) % 2; -} - -/* find_emph_char • looks for the next emph uint8_t, skipping other constructs */ -static size_t -find_emph_char(uint8_t *data, size_t size, uint8_t c) -{ - size_t i = 0; - - while (i < size) { - while (i < size && data[i] != c && data[i] != '[' && data[i] != '`') - i++; - - if (i == size) - return 0; - - /* not counting escaped chars */ - if (is_escaped(data, i)) { - i++; continue; - } - - if (data[i] == c) - return i; - - /* skipping a codespan */ - if (data[i] == '`') { - size_t span_nb = 0, bt; - size_t tmp_i = 0; - - /* counting the number of opening backticks */ - while (i < size && data[i] == '`') { - i++; span_nb++; - } - - if (i >= size) return 0; - - /* finding the matching closing sequence */ - bt = 0; - while (i < size && bt < span_nb) { - if (!tmp_i && data[i] == c) tmp_i = i; - if (data[i] == '`') bt++; - else bt = 0; - i++; - } - - /* not a well-formed codespan; use found matching emph char */ - if (i >= size) return tmp_i; - } - /* skipping a link */ - else if (data[i] == '[') { - size_t tmp_i = 0; - uint8_t cc; - - i++; - while (i < size && data[i] != ']') { - if (!tmp_i && data[i] == c) tmp_i = i; - i++; - } - - i++; - while (i < size && _isspace(data[i])) - i++; - - if (i >= size) - return tmp_i; - - switch (data[i]) { - case '[': - cc = ']'; break; - - case '(': - cc = ')'; break; - - default: - if (tmp_i) - return tmp_i; - else - continue; - } - - i++; - while (i < size && data[i] != cc) { - if (!tmp_i && data[i] == c) tmp_i = i; - i++; - } - - if (i >= size) - return tmp_i; - - i++; - } - } - - return 0; -} - -/* parse_emph1 • parsing single emphase */ -/* closed by a symbol not preceded by spacing and not followed by symbol */ -static size_t -parse_emph1(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t size, uint8_t c) -{ - size_t i = 0, len; - hoedown_buffer *work = 0; - int r; - - /* skipping one symbol if coming from emph3 */ - if (size > 1 && data[0] == c && data[1] == c) i = 1; - - while (i < size) { - len = find_emph_char(data + i, size - i, c); - if (!len) return 0; - i += len; - if (i >= size) return 0; - - if (data[i] == c && !_isspace(data[i - 1])) { - - if (doc->ext_flags & HOEDOWN_EXT_NO_INTRA_EMPHASIS) { - if (i + 1 < size && isalnum(data[i + 1])) - continue; - } - - work = newbuf(doc, BUFFER_SPAN); - parse_inline(work, doc, data, i); - - if (doc->ext_flags & HOEDOWN_EXT_UNDERLINE && c == '_') - r = doc->md.underline(ob, work, &doc->data); - else - r = doc->md.emphasis(ob, work, &doc->data); - - popbuf(doc, BUFFER_SPAN); - return r ? i + 1 : 0; - } - } - - return 0; -} - -/* parse_emph2 • parsing single emphase */ -static size_t -parse_emph2(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t size, uint8_t c) -{ - size_t i = 0, len; - hoedown_buffer *work = 0; - int r; - - while (i < size) { - len = find_emph_char(data + i, size - i, c); - if (!len) return 0; - i += len; - - if (i + 1 < size && data[i] == c && data[i + 1] == c && i && !_isspace(data[i - 1])) { - work = newbuf(doc, BUFFER_SPAN); - parse_inline(work, doc, data, i); - - if (c == '~') - r = doc->md.strikethrough(ob, work, &doc->data); - else if (c == '=') - r = doc->md.highlight(ob, work, &doc->data); - else - r = doc->md.double_emphasis(ob, work, &doc->data); - - popbuf(doc, BUFFER_SPAN); - return r ? i + 2 : 0; - } - i++; - } - return 0; -} - -/* parse_emph3 • parsing single emphase */ -/* finds the first closing tag, and delegates to the other emph */ -static size_t -parse_emph3(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t size, uint8_t c) -{ - size_t i = 0, len; - int r; - - while (i < size) { - len = find_emph_char(data + i, size - i, c); - if (!len) return 0; - i += len; - - /* skip spacing preceded symbols */ - if (data[i] != c || _isspace(data[i - 1])) - continue; - - if (i + 2 < size && data[i + 1] == c && data[i + 2] == c && doc->md.triple_emphasis) { - /* triple symbol found */ - hoedown_buffer *work = newbuf(doc, BUFFER_SPAN); - - parse_inline(work, doc, data, i); - r = doc->md.triple_emphasis(ob, work, &doc->data); - popbuf(doc, BUFFER_SPAN); - return r ? i + 3 : 0; - - } else if (i + 1 < size && data[i + 1] == c) { - /* double symbol found, handing over to emph1 */ - len = parse_emph1(ob, doc, data - 2, size + 2, c); - if (!len) return 0; - else return len - 2; - - } else { - /* single symbol found, handing over to emph2 */ - len = parse_emph2(ob, doc, data - 1, size + 1, c); - if (!len) return 0; - else return len - 1; - } - } - return 0; -} - -/* parse_math • parses a math span until the given ending delimiter */ -static size_t -parse_math(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size, const char *end, size_t delimsz, int displaymode) -{ - hoedown_buffer text = { NULL, 0, 0, 0, NULL, NULL, NULL }; - size_t i = delimsz; - - if (!doc->md.math) - return 0; - - /* find ending delimiter */ - while (1) { - while (i < size && data[i] != (uint8_t)end[0]) - i++; - - if (i >= size) - return 0; - - if (!is_escaped(data, i) && !(i + delimsz > size) - && memcmp(data + i, end, delimsz) == 0) - break; - - i++; - } - - /* prepare buffers */ - text.data = data + delimsz; - text.size = i - delimsz; - - /* if this is a $$ and MATH_EXPLICIT is not active, - * guess whether displaymode should be enabled from the context */ - i += delimsz; - if (delimsz == 2 && !(doc->ext_flags & HOEDOWN_EXT_MATH_EXPLICIT)) - displaymode = is_empty_all(data - offset, offset) && is_empty_all(data + i, size - i); - - /* call callback */ - if (doc->md.math(ob, &text, displaymode, &doc->data)) - return i; - - return 0; -} - -/* char_emphasis • single and double emphasis parsing */ -static size_t -char_emphasis(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size) -{ - uint8_t c = data[0]; - size_t ret; - - if (doc->ext_flags & HOEDOWN_EXT_NO_INTRA_EMPHASIS) { - if (offset > 0 && !_isspace(data[-1]) && data[-1] != '>' && data[-1] != '(') - return 0; - } - - if (size > 2 && data[1] != c) { - /* spacing cannot follow an opening emphasis; - * strikethrough and highlight only takes two characters '~~' */ - if (c == '~' || c == '=' || _isspace(data[1]) || (ret = parse_emph1(ob, doc, data + 1, size - 1, c)) == 0) - return 0; - - return ret + 1; - } - - if (size > 3 && data[1] == c && data[2] != c) { - if (_isspace(data[2]) || (ret = parse_emph2(ob, doc, data + 2, size - 2, c)) == 0) - return 0; - - return ret + 2; - } - - if (size > 4 && data[1] == c && data[2] == c && data[3] != c) { - if (c == '~' || c == '=' || _isspace(data[3]) || (ret = parse_emph3(ob, doc, data + 3, size - 3, c)) == 0) - return 0; - - return ret + 3; - } - - return 0; -} - - -/* char_linebreak • '\n' preceded by two spaces (assuming linebreak != 0) */ -static size_t -char_linebreak(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size) -{ - if (offset < 2 || data[-1] != ' ' || data[-2] != ' ') - return 0; - - /* removing the last space from ob and rendering */ - while (ob->size && ob->data[ob->size - 1] == ' ') - ob->size--; - - return doc->md.linebreak(ob, &doc->data) ? 1 : 0; -} - - -/* char_codespan • '`' parsing a code span (assuming codespan != 0) */ -static size_t -char_codespan(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size) -{ - hoedown_buffer work = { NULL, 0, 0, 0, NULL, NULL, NULL }; - size_t end, nb = 0, i, f_begin, f_end; - - /* counting the number of backticks in the delimiter */ - while (nb < size && data[nb] == '`') - nb++; - - /* finding the next delimiter */ - i = 0; - for (end = nb; end < size && i < nb; end++) { - if (data[end] == '`') i++; - else i = 0; - } - - if (i < nb && end >= size) - return 0; /* no matching delimiter */ - - /* trimming outside spaces */ - f_begin = nb; - while (f_begin < end && data[f_begin] == ' ') - f_begin++; - - f_end = end - nb; - while (f_end > nb && data[f_end-1] == ' ') - f_end--; - - /* real code span */ - if (f_begin < f_end) { - work.data = data + f_begin; - work.size = f_end - f_begin; - - if (!doc->md.codespan(ob, &work, &doc->data)) - end = 0; - } else { - if (!doc->md.codespan(ob, 0, &doc->data)) - end = 0; - } - - return end; -} - -/* char_quote • '"' parsing a quote */ -static size_t -char_quote(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size) -{ - size_t end, nq = 0, i, f_begin, f_end; - - /* counting the number of quotes in the delimiter */ - while (nq < size && data[nq] == '"') - nq++; - - /* finding the next delimiter */ - end = nq; - while (1) { - i = end; - end += find_emph_char(data + end, size - end, '"'); - if (end == i) return 0; /* no matching delimiter */ - i = end; - while (end < size && data[end] == '"' && end - i < nq) end++; - if (end - i >= nq) break; - } - - /* trimming outside spaces */ - f_begin = nq; - while (f_begin < end && data[f_begin] == ' ') - f_begin++; - - f_end = end - nq; - while (f_end > nq && data[f_end-1] == ' ') - f_end--; - - /* real quote */ - if (f_begin < f_end) { - hoedown_buffer *work = newbuf(doc, BUFFER_SPAN); - parse_inline(work, doc, data + f_begin, f_end - f_begin); - - if (!doc->md.quote(ob, work, &doc->data)) - end = 0; - popbuf(doc, BUFFER_SPAN); - } else { - if (!doc->md.quote(ob, 0, &doc->data)) - end = 0; - } - - return end; -} - - -/* char_escape • '\\' backslash escape */ -static size_t -char_escape(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size) -{ - static const char *escape_chars = "\\`*_{}[]()#+-.!:|&<>^~=\"$"; - hoedown_buffer work = { 0, 0, 0, 0, NULL, NULL, NULL }; - size_t w; - - if (size > 1) { - if (data[1] == '\\' && (doc->ext_flags & HOEDOWN_EXT_MATH) && - size > 2 && (data[2] == '(' || data[2] == '[')) { - const char *end = (data[2] == '[') ? "\\\\]" : "\\\\)"; - w = parse_math(ob, doc, data, offset, size, end, 3, data[2] == '['); - if (w) return w; - } - - if (strchr(escape_chars, data[1]) == NULL) - return 0; - - if (doc->md.normal_text) { - work.data = data + 1; - work.size = 1; - doc-