72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*
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* token.c
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* Copyright (C) 2014 c9s <yoanlin93@gmail.com>
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*
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* Distributed under terms of the MIT license.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "r3.h"
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#include "r3_str.h"
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#include "str_array.h"
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#include "zmalloc.h"
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str_array * str_array_create(int cap) {
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str_array * list = (str_array*) zmalloc( sizeof(str_array) );
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if (!list)
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return NULL;
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list->len = 0;
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list->cap = cap;
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list->tokens = (char**) zmalloc( sizeof(char*) * cap);
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return list;
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}
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void str_array_free(str_array *l) {
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assert(l);
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for ( int i = 0; i < l->len ; i++ ) {
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if (l->tokens[ i ]) {
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zfree(l->tokens[i]);
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}
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}
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zfree(l->tokens);
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zfree(l);
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}
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bool str_array_is_full(const str_array * l) {
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return l->len >= l->cap;
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}
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bool str_array_resize(str_array * l, int new_cap) {
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l->tokens = zrealloc(l->tokens, sizeof(char**) * new_cap);
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l->cap = new_cap;
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return l->tokens != NULL;
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}
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bool str_array_append(str_array * l, char * token) {
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if ( str_array_is_full(l) ) {
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bool ret = str_array_resize(l, l->cap + 20);
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if (ret == FALSE ) {
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return FALSE;
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}
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}
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l->tokens[ l->len++ ] = token;
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return TRUE;
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}
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void str_array_dump(const str_array *l) {
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printf("[");
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for ( int i = 0; i < l->len ; i++ ) {
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printf("\"%s\"", l->tokens[i] );
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if ( i + 1 != l->len ) {
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printf(", ");
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}
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}
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printf("]\n");
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}
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