107 lines
2.1 KiB
C
107 lines
2.1 KiB
C
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#include <stdio.h>
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#include <uthash.h>
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#include <ctype.h>
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#include <string.h>
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#include "chad.h"
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typedef void (*attribute_callback_t)(const char * const string,
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const int length,
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void * const attributes);
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typedef struct {
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char * key;
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attribute_callback_t callback;
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UT_hash_handle hh;
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} display_t;
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display_t * display_table = NULL;
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typedef struct {
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void * attributes;
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struct hl_group_t * link;
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} hl_group_t;
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typedef enum {
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KEYWORD,
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MATCH,
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REGION
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} token_t;
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typedef struct {
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hl_group_t * hl;
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token_t t;
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char* syntax;
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} token; // XXX: this will have to be renamed
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/* Temp solution
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*/
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token * token_table[1000];
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int token_table_top = 0;
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token * new_token(const char * const syntax,
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const token_t t,
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const hl_group_t * const g) {
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token * mt = (token*)malloc(sizeof(token));
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mt->hl = g;
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mt->t = t;
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mt->syntax = syntax;
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token_table[token_table_top++] = mt;
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return mt;
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}
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void new_keyword_tokens(const char * const * words,
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hl_group_t * const g) {
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while (*words) {
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new_token(*words, KEYWORD, g);
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words = words + 1;
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}
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}
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int token_fits(const char* const pattern,
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const char* const to) {
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if (pattern == NULL) {
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return true;
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}
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for (int i = 0;; i++) {
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if (pattern[i] == '\00') {
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return i;
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}
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if (to[i] == '\00'
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|| pattern[i] != to[i]) {
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return false;
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}
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}
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}
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bool is_word_separator(const char character) {
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if (( isascii(character))
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&& (!isalnum(character))
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&& ( character != '_')) {
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return 1;
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} else {
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return 0;
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}
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}
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void render_string(const char * const string,
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const char * const mode) {
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for (const char * s = string; *s != '\00';) {
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int f;
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int i = 0;
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for (; i < token_table_top; i++) {
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f = token_fits(token_table[i]->syntax, s);
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if(f){ break; };
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}
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//
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display_t * display;
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HASH_FIND_STR(display_table, mode, display);
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//
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if(f){
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display->callback(s, f, token_table[i]->hl->attributes);
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s += f;
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} else {
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display->callback(s, 0, NULL);
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++s;
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}
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}
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}
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