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139 lines
5.1 KiB
C
Executable File
139 lines
5.1 KiB
C
Executable File
/* PEG Markdown Highlight
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* Copyright 2011-2016 Ali Rantakari -- http://hasseg.org
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* Licensed under the GPL2+ and MIT licenses (see LICENSE for more info).
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*
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* pmh_definitions.h
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*/
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#ifndef pmh_MARKDOWN_DEFINITIONS
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#define pmh_MARKDOWN_DEFINITIONS
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/** \file
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* \brief Global definitions for the parser.
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*/
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/**
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* \brief Element types.
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*
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* The first (documented) ones are language element types.
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*
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* The last (non-documented) ones are utility types used
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* by the parser itself.
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*
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* \sa pmh_element
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*/
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typedef enum
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{
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pmh_LINK, /**< Explicit link */
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pmh_AUTO_LINK_URL, /**< Implicit URL link */
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pmh_AUTO_LINK_EMAIL, /**< Implicit email link */
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pmh_IMAGE, /**< Image definition */
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pmh_CODE, /**< Code (inline) */
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pmh_HTML, /**< HTML */
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pmh_HTML_ENTITY, /**< HTML special entity definition */
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pmh_EMPH, /**< Emphasized text */
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pmh_STRONG, /**< Strong text */
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pmh_LIST_BULLET, /**< Bullet for an unordered list item */
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pmh_LIST_ENUMERATOR, /**< Enumerator for an ordered list item */
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pmh_COMMENT, /**< (HTML) Comment */
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// Code assumes that pmh_H1-6 are in order.
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pmh_H1, /**< Header, level 1 */
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pmh_H2, /**< Header, level 2 */
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pmh_H3, /**< Header, level 3 */
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pmh_H4, /**< Header, level 4 */
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pmh_H5, /**< Header, level 5 */
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pmh_H6, /**< Header, level 6 */
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pmh_BLOCKQUOTE, /**< Blockquote */
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pmh_VERBATIM, /**< Verbatim (e.g. block of code) */
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pmh_HTMLBLOCK, /**< Block of HTML */
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pmh_HRULE, /**< Horizontal rule */
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pmh_REFERENCE, /**< Reference */
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pmh_FENCEDCODEBLOCK, /**< Fenced code block */
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pmh_NOTE, /**< Note */
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pmh_STRIKE, /**< Strike-through */
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pmh_FRONTMATTER, /**< Front matter */
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pmh_DISPLAYFORMULA, /**< Math display formula */
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pmh_INLINEEQUATION, /**< Math inline equation */
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pmh_MARK, /**< HTML <mark> tag content */
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pmh_TABLE, /**< GFM table */
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pmh_TABLEHEADER, /**< GFM table header */
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pmh_TABLEBORDER, /**< GFM table border | */
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// Utility types used by the parser itself:
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// List of pmh_RAW element lists, each to be processed separately from
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// others (for each element in linked lists of this type, `children` points
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// to a linked list of pmh_RAW elements):
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pmh_RAW_LIST, /**< Internal to parser. Please ignore. */
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// Span marker for positions in original input to be post-processed
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// in a second parsing step:
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pmh_RAW, /**< Internal to parser. Please ignore. */
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// Additional text to be parsed along with spans in the original input
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// (these may be added to linked lists of pmh_RAW elements):
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pmh_EXTRA_TEXT, /**< Internal to parser. Please ignore. */
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// Separates linked lists of pmh_RAW elements into parts to be processed
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// separate from each other:
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pmh_SEPARATOR, /**< Internal to parser. Please ignore. */
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// Placeholder element used while parsing:
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pmh_NO_TYPE, /**< Internal to parser. Please ignore. */
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// Linked list of *all* elements created while parsing:
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pmh_ALL /**< Internal to parser. Please ignore. */
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} pmh_element_type;
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/**
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* \brief Number of types in pmh_element_type.
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* \sa pmh_element_type
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*/
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#define pmh_NUM_TYPES 39
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/**
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* \brief Number of *language element* types in pmh_element_type.
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* \sa pmh_element_type
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*/
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#define pmh_NUM_LANG_TYPES (pmh_NUM_TYPES - 6)
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/**
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* \brief A Language element occurrence.
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*/
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struct pmh_Element
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{
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pmh_element_type type; /**< \brief Type of element */
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unsigned long pos; /**< \brief Unicode code point offset marking the
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beginning of this element in the
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input. */
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unsigned long end; /**< \brief Unicode code point offset marking the
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end of this element in the input. */
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struct pmh_Element *next; /**< \brief Next element in list */
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char *label; /**< \brief Label (for links and references) */
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char *address; /**< \brief Address (for links and references) */
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};
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typedef struct pmh_Element pmh_element;
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/**
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* \brief Bitfield enumeration of supported Markdown extensions.
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*/
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enum pmh_extensions
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{
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pmh_EXT_NONE = 0, /**< No extensions */
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pmh_EXT_NOTES = (1 << 0), /**< Footnote syntax:
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http://pandoc.org/README.html#footnotes */
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pmh_EXT_STRIKE = (1 << 1), /**< Strike-through syntax:
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http://pandoc.org/README.html#strikeout */
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pmh_EXT_FRONTMATTER = (1 << 2), /**< YAML meta data */
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pmh_EXT_MATH = (1 << 3), /**< Math */
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pmh_EXT_MARK = (1 << 4), /**< HTML <mark> tag content */
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pmh_EXT_MATH_RAW = (1 << 5), /**< Math in format \begin and \end */
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pmh_EXT_TABLE = (1 << 6), /** GFM Table */
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};
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#endif
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