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113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
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//
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// Header file for miniature markdown library.
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//
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// https://www.msweet.org/mmd
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//
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// Copyright © 2017-2024 by Michael R Sweet.
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//
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// Licensed under Apache License v2.0. See the file "LICENSE" for more
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// information.
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//
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#ifndef MMD_H
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# define MMD_H
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# include <stdio.h>
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# include <stdbool.h>
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# ifdef __cplusplus
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extern "C" {
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# endif // __cplusplus
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//
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// Constants...
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//
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enum mmd_option_e
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{
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MMD_OPTION_NONE = 0x00, // No markdown extensions
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MMD_OPTION_METADATA = 0x01, // Jekyll metadata extension
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MMD_OPTION_TABLES = 0x02, // Github table extension
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MMD_OPTION_TASKS = 0x04, // Github task item extension (check boxes)
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MMD_OPTION_ALL = 0x07 // All supported markdown extensions
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};
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typedef unsigned mmd_option_t;
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typedef enum mmd_type_e
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{
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MMD_TYPE_NONE = -1,
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MMD_TYPE_DOCUMENT, // The document root
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MMD_TYPE_METADATA, // Document metadata
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MMD_TYPE_BLOCK_QUOTE, // <blockquote>
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MMD_TYPE_ORDERED_LIST, // <ol>
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MMD_TYPE_UNORDERED_LIST, // <ul>
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MMD_TYPE_LIST_ITEM, // <li>
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MMD_TYPE_TABLE, // <table>
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MMD_TYPE_TABLE_HEADER, // <thead>
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MMD_TYPE_TABLE_BODY, // <tbody>
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MMD_TYPE_TABLE_ROW, // <tr>
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MMD_TYPE_HEADING_1 = 10, // <h1>
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MMD_TYPE_HEADING_2, // <h2>
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MMD_TYPE_HEADING_3, // <h3>
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MMD_TYPE_HEADING_4, // <h4>
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MMD_TYPE_HEADING_5, // <h5>
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MMD_TYPE_HEADING_6, // <h6>
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MMD_TYPE_PARAGRAPH, // <p>
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MMD_TYPE_CODE_BLOCK, // <pre><code>
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MMD_TYPE_THEMATIC_BREAK, // <hr />
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MMD_TYPE_TABLE_HEADER_CELL, // <th>
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MMD_TYPE_TABLE_BODY_CELL_LEFT, // <td align="left">
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MMD_TYPE_TABLE_BODY_CELL_CENTER, // <td align="center">
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MMD_TYPE_TABLE_BODY_CELL_RIGHT, // <td align="right">
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MMD_TYPE_NORMAL_TEXT = 100, // Normal text
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MMD_TYPE_EMPHASIZED_TEXT, // <em>text</em>
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MMD_TYPE_STRONG_TEXT, // <strong>text</strong>
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MMD_TYPE_STRUCK_TEXT, // <del>text</del>
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MMD_TYPE_LINKED_TEXT, // <a href="link">text</a>
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MMD_TYPE_CODE_TEXT, // <code>text</code>
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MMD_TYPE_IMAGE, // <img src="link" />
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MMD_TYPE_HARD_BREAK, // <br />
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MMD_TYPE_SOFT_BREAK, // <wbr />
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MMD_TYPE_METADATA_TEXT, // name: value
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MMD_TYPE_CHECKBOX // [ ] or [x]
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} mmd_type_t;
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//
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// Types...
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//
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typedef struct _mmd_s mmd_t; // Markdown node
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typedef size_t (*mmd_iocb_t)(void *cbdata, char *buffer, size_t bytes);
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// mmdLoadIO callback function
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//
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// Functions...
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//
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extern char *mmdCopyAllText(mmd_t *node);
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extern void mmdFree(mmd_t *node);
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extern const char *mmdGetExtra(mmd_t *node);
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extern mmd_t *mmdGetFirstChild(mmd_t *node);
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extern mmd_t *mmdGetLastChild(mmd_t *node);
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extern const char *mmdGetMetadata(mmd_t *doc, const char *keyword);
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extern mmd_t *mmdGetNextSibling(mmd_t *node);
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extern mmd_option_t mmdGetOptions(void);
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extern mmd_t *mmdGetParent(mmd_t *node);
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extern mmd_t *mmdGetPrevSibling(mmd_t *node);
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extern const char *mmdGetText(mmd_t *node);
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extern mmd_type_t mmdGetType(mmd_t *node);
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extern const char *mmdGetURL(mmd_t *node);
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extern bool mmdGetWhitespace(mmd_t *node);
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extern bool mmdIsBlock(mmd_t *node);
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extern mmd_t *mmdLoad(mmd_t *root, const char *filename);
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extern mmd_t *mmdLoadFile(mmd_t *root, FILE *fp);
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extern mmd_t *mmdLoadIO(mmd_t *root, mmd_iocb_t cb, void *cbdata);
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extern mmd_t *mmdLoadString(mmd_t *root, const char *s);
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extern void mmdSetOptions(mmd_option_t options);
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# ifdef __cplusplus
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}
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# endif // __cplusplus
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#endif // !MMD_H
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