File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / lighttpd / src / data_string.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Mon Oct 14 10:32:48 2013 UTC (10 years, 8 months ago) by misho
Branches: lighttpd, MAIN
CVS tags: v1_4_33, HEAD
1.4.33

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

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