File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / lighttpd / src / data_string.c
Revision 1.1.1.3 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Nov 2 10:35:00 2016 UTC (7 years, 8 months ago) by misho
Branches: lighttpd, MAIN
CVS tags: v1_4_41p8, HEAD
lighttpd 1.4.41

    1: #include "first.h"
    2: 
    3: #include "array.h"
    4: 
    5: #include <string.h>
    6: #include <stdio.h>
    7: #include <stdlib.h>
    8: #include <assert.h>
    9: 
   10: static data_unset *data_string_copy(const data_unset *s) {
   11: 	data_string *src = (data_string *)s;
   12: 	data_string *ds = data_string_init();
   13: 
   14: 	buffer_copy_buffer(ds->key, src->key);
   15: 	buffer_copy_buffer(ds->value, src->value);
   16: 	ds->is_index_key = src->is_index_key;
   17: 	return (data_unset *)ds;
   18: }
   19: 
   20: static void data_string_free(data_unset *d) {
   21: 	data_string *ds = (data_string *)d;
   22: 
   23: 	buffer_free(ds->key);
   24: 	buffer_free(ds->value);
   25: 
   26: 	free(d);
   27: }
   28: 
   29: static void data_string_reset(data_unset *d) {
   30: 	data_string *ds = (data_string *)d;
   31: 
   32: 	/* reused array elements */
   33: 	buffer_reset(ds->key);
   34: 	buffer_reset(ds->value);
   35: }
   36: 
   37: static int data_string_insert_dup(data_unset *dst, data_unset *src) {
   38: 	data_string *ds_dst = (data_string *)dst;
   39: 	data_string *ds_src = (data_string *)src;
   40: 
   41: 	if (!buffer_is_empty(ds_dst->value)) {
   42: 		buffer_append_string_len(ds_dst->value, CONST_STR_LEN(", "));
   43: 		buffer_append_string_buffer(ds_dst->value, ds_src->value);
   44: 	} else {
   45: 		buffer_copy_buffer(ds_dst->value, ds_src->value);
   46: 	}
   47: 
   48: 	src->free(src);
   49: 
   50: 	return 0;
   51: }
   52: 
   53: static int data_response_insert_dup(data_unset *dst, data_unset *src) {
   54: 	data_string *ds_dst = (data_string *)dst;
   55: 	data_string *ds_src = (data_string *)src;
   56: 
   57: 	if (!buffer_is_empty(ds_dst->value)) {
   58: 		buffer_append_string_len(ds_dst->value, CONST_STR_LEN("\r\n"));
   59: 		buffer_append_string_buffer(ds_dst->value, ds_dst->key);
   60: 		buffer_append_string_len(ds_dst->value, CONST_STR_LEN(": "));
   61: 		buffer_append_string_buffer(ds_dst->value, ds_src->value);
   62: 	} else {
   63: 		buffer_copy_buffer(ds_dst->value, ds_src->value);
   64: 	}
   65: 
   66: 	src->free(src);
   67: 
   68: 	return 0;
   69: }
   70: 
   71: 
   72: static void data_string_print(const data_unset *d, int depth) {
   73: 	data_string *ds = (data_string *)d;
   74: 	size_t i, len;
   75: 	UNUSED(depth);
   76: 
   77: 	/* empty and uninitialized strings */
   78: 	if (buffer_string_is_empty(ds->value)) {
   79: 		fputs("\"\"", stdout);
   80: 		return;
   81: 	}
   82: 
   83: 	/* print out the string as is, except prepend " with backslash */
   84: 	putc('"', stdout);
   85: 	len = buffer_string_length(ds->value);
   86: 	for (i = 0; i < len; i++) {
   87: 		unsigned char c = ds->value->ptr[i];
   88: 		if (c == '"') {
   89: 			fputs("\\\"", stdout);
   90: 		} else {
   91: 			putc(c, stdout);
   92: 		}
   93: 	}
   94: 	putc('"', stdout);
   95: }
   96: 
   97: 
   98: data_string *data_string_init(void) {
   99: 	data_string *ds;
  100: 
  101: 	ds = calloc(1, sizeof(*ds));
  102: 	force_assert(NULL != ds);
  103: 
  104: 	ds->key = buffer_init();
  105: 	ds->value = buffer_init();
  106: 
  107: 	ds->copy = data_string_copy;
  108: 	ds->free = data_string_free;
  109: 	ds->reset = data_string_reset;
  110: 	ds->insert_dup = data_string_insert_dup;
  111: 	ds->print = data_string_print;
  112: 	ds->type = TYPE_STRING;
  113: 
  114: 	return ds;
  115: }
  116: 
  117: data_string *data_response_init(void) {
  118: 	data_string *ds;
  119: 
  120: 	ds = data_string_init();
  121: 	ds->insert_dup = data_response_insert_dup;
  122: 
  123: 	return ds;
  124: }

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