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pretty functions relocated to parson.c

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pull/22/head
Tobias Schoenit 10 years ago
parent a040f92d9c
commit acf9f7c257
3 changed files with 165 additions and 161 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 138
      main.c
  2. 136
      parson.c
  3. 52
      parson.h

138
main.c
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@ -1,146 +1,10 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "parson.h"
#define DOUBLE_SERIALIZATION_FORMAT "%f"
typedef struct serializationContext
{
FILE *file;
int identation;
}SerContext;
static void json_serialize_string_file(const char *string, SerContext *ctx) {
size_t i = 0, len = strlen(string);
char c = '\0';
fprintf(ctx->file, "\"");
for (i = 0; i < len; i++) {
c = string[i];
switch (c) {
case '\"': fprintf(ctx->file, "\\\""); break;
case '\\': fprintf(ctx->file, "\\\\"); break;
case '\b': fprintf(ctx->file, "\\b"); break;
case '\f': fprintf(ctx->file, "\\f"); break;
case '\n': fprintf(ctx->file, "\\n"); break;
case '\r': fprintf(ctx->file, "\\r"); break;
case '\t': fprintf(ctx->file, "\\t"); break;
default: fprintf(ctx->file, "%c", c); break;
}
}
fprintf(ctx->file, "\"");
}
void WriteIdentation(SerContext *ctx)
{
int i;
for (i = 0; i < ctx->identation; ++i)
{
fprintf(ctx->file, " ");
}
}
JSON_Status json_serialize_to_file_pretty_r(const JSON_Value *value, SerContext *ctx)
{
const char *key = NULL, *string = NULL;
JSON_Value *temp_value = NULL;
JSON_Array *array = NULL;
JSON_Object *object = NULL;
size_t i = 0, count = 0;
double num = 0.0;
JSON_Status status = JSONError;
switch (json_value_get_type(value)) {
case JSONArray:
array = json_value_get_array(value);
count = json_array_get_count(array);
fprintf(ctx->file, "[\n");
ctx->identation++;
for (i = 0; i < count; i++) {
temp_value = json_array_get_value(array, i);
WriteIdentation(ctx);
status = json_serialize_to_file_pretty_r(temp_value, ctx);
if (status != JSONSuccess)
{
return status;
}
if (i < (count - 1))
fprintf(ctx->file, ",\n");
else
fprintf(ctx->file, "\n");
}
WriteIdentation(ctx);
fprintf(ctx->file, "]");
ctx->identation--;
return JSONSuccess;
case JSONObject:
object = json_value_get_object(value);
count = json_object_get_count(object);
fprintf(ctx->file, "{\n");
ctx->identation++;
for (i = 0; i < count; i++) {
key = json_object_get_name(object, i);
WriteIdentation(ctx);
json_serialize_string_file(key, ctx);
fprintf(ctx->file, " : ");
temp_value = json_object_get_value(object, key);
json_serialize_to_file_pretty_r(temp_value, ctx);
if (i < (count - 1))
fprintf(ctx->file, ",\n");
}
ctx->identation--;
fprintf(ctx->file, "\n");
WriteIdentation(ctx);
fprintf(ctx->file, "}");
return JSONSuccess;
case JSONString:
string = json_value_get_string(value);
json_serialize_string_file(string, ctx);
return JSONSuccess;
case JSONBoolean:
if (json_value_get_boolean(value)) {
fprintf(ctx->file, "true");
} else {
fprintf(ctx->file, "false");
}
return JSONSuccess;
case JSONNumber:
num = json_value_get_number(value);
if (num == ((double)(int)num)) { /* check if num is integer */
fprintf(ctx->file, "%d", (int)num);
} else {
fprintf(ctx->file, DOUBLE_SERIALIZATION_FORMAT, num);
}
return JSONSuccess;
case JSONNull:
fprintf(ctx->file, "null");
return JSONSuccess;
case JSONError:
return JSONError;
default:
return JSONError;
}
}
JSON_Status json_serialize_to_file_pretty(const JSON_Value *value, const char *filename) {
JSON_Status return_code = JSONSuccess;
SerContext ctx;
ctx.identation = 0;
ctx.file = fopen (filename, "w");
if (ctx.file != NULL)
{
json_serialize_to_file_pretty_r(value, &ctx);
if (fclose (ctx.file) == EOF) {
return_code = JSONFailure;
}
}
return return_code;
}
int main()
{
JSON_Value *rootValue;

136
parson.c
Unescape View File

@ -999,7 +999,7 @@ JSON_Value * json_value_deep_copy(const JSON_Value *value) {
const char *temp_string = NULL, *temp_string_copy = NULL, *temp_key = NULL;
JSON_Array *temp_array = NULL, *temp_array_copy = NULL;
JSON_Object *temp_object = NULL, *temp_object_copy = NULL;
switch (json_value_get_type(value)) {
case JSONArray:
temp_array = json_value_get_array(value);
@ -1313,7 +1313,7 @@ JSON_Status json_object_clear(JSON_Object *object) {
if (object == NULL) {
return JSONFailure;
}
for (i = 0; i < json_object_get_count(object); i++) {
for (i = 0; i < json_object_get_count(object); i++) {
PARSON_FREE(object->names[i]);
json_value_free(object->values[i]);
}
@ -1459,3 +1459,135 @@ double json_number (const JSON_Value *value) {
int json_boolean(const JSON_Value *value) {
return json_value_get_boolean(value);
}
static void WriteIdentation(SerContext *ctx)
{
int i;
for (i = 0; i < ctx->identation; ++i)
{
fprintf(ctx->file, " ");
}
}
static void json_serialize_string_file(const char *string, SerContext *ctx) {
size_t i = 0, len = strlen(string);
char c = '\0';
fprintf(ctx->file, "\"");
for (i = 0; i < len; i++) {
c = string[i];
switch (c) {
case '\"': fprintf(ctx->file, "\\\""); break;
case '\\': fprintf(ctx->file, "\\\\"); break;
case '\b': fprintf(ctx->file, "\\b"); break;
case '\f': fprintf(ctx->file, "\\f"); break;
case '\n': fprintf(ctx->file, "\\n"); break;
case '\r': fprintf(ctx->file, "\\r"); break;
case '\t': fprintf(ctx->file, "\\t"); break;
default: fprintf(ctx->file, "%c", c); break;
}
}
fprintf(ctx->file, "\"");
}
JSON_Status json_serialize_to_file_pretty_r(const JSON_Value *value, SerContext *ctx)
{
const char *key = NULL, *string = NULL;
JSON_Value *temp_value = NULL;
JSON_Array *array = NULL;
JSON_Object *object = NULL;
size_t i = 0, count = 0;
double num = 0.0;
JSON_Status status = JSONError;
switch (json_value_get_type(value)) {
case JSONArray:
array = json_value_get_array(value);
count = json_array_get_count(array);
fprintf(ctx->file, "[\n");
ctx->identation++;
for (i = 0; i < count; i++) {
temp_value = json_array_get_value(array, i);
WriteIdentation(ctx);
status = json_serialize_to_file_pretty_r(temp_value, ctx);
if (status != JSONSuccess)
{
return status;
}
if (i < (count - 1))
fprintf(ctx->file, ",\n");
else
fprintf(ctx->file, "\n");
}
WriteIdentation(ctx);
fprintf(ctx->file, "]");
ctx->identation--;
return JSONSuccess;
case JSONObject:
object = json_value_get_object(value);
count = json_object_get_count(object);
fprintf(ctx->file, "{\n");
ctx->identation++;
for (i = 0; i < count; i++) {
key = json_object_get_name(object, i);
WriteIdentation(ctx);
json_serialize_string_file(key, ctx);
fprintf(ctx->file, " : ");
temp_value = json_object_get_value(object, key);
json_serialize_to_file_pretty_r(temp_value, ctx);
if (i < (count - 1))
fprintf(ctx->file, ",\n");
}
ctx->identation--;
fprintf(ctx->file, "\n");
WriteIdentation(ctx);
fprintf(ctx->file, "}");
return JSONSuccess;
case JSONString:
string = json_value_get_string(value);
json_serialize_string_file(string, ctx);
return JSONSuccess;
case JSONBoolean:
if (json_value_get_boolean(value)) {
fprintf(ctx->file, "true");
} else {
fprintf(ctx->file, "false");
}
return JSONSuccess;
case JSONNumber:
num = json_value_get_number(value);
if (num == ((double)(int)num)) { /* check if num is integer */
fprintf(ctx->file, "%d", (int)num);
} else {
fprintf(ctx->file, DOUBLE_SERIALIZATION_FORMAT, num);
}
return JSONSuccess;
case JSONNull:
fprintf(ctx->file, "null");
return JSONSuccess;
case JSONError:
return JSONError;
default:
return JSONError;
}
}
JSON_Status json_serialize_to_file_pretty(const JSON_Value *value, const char *filename)
{
JSON_Status return_code = JSONSuccess;
SerContext ctx;
ctx.identation = 0;
ctx.file = fopen (filename, "w");
if (ctx.file != NULL)
{
json_serialize_to_file_pretty_r(value, &ctx);
if (fclose (ctx.file) == EOF) {
return_code = JSONFailure;
}
}
return return_code;
}

52
parson.h
Unescape View File

@ -1,17 +1,17 @@
/*
Parson ( http://kgabis.github.com/parson/ )
Copyright (c) 2012 - 2014 Krzysztof Gabis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@ -27,10 +27,11 @@
#ifdef __cplusplus
extern "C"
{
#endif
#include <stddef.h> /* size_t */
#endif
#include <stddef.h> /* size_t */
#include <stdio.h>
/* Types and enums */
typedef struct json_object_t JSON_Object;
typedef struct json_array_t JSON_Array;
@ -46,29 +47,36 @@ enum json_value_type {
JSONBoolean = 6
};
typedef int JSON_Value_Type;
enum json_result_t {
JSONSuccess = 0,
JSONFailure = -1
};
typedef int JSON_Status;
typedef struct serializationContext
{
FILE *file;
int identation;
}SerContext;
/* Parses first JSON value in a file, returns NULL in case of error */
JSON_Value * json_parse_file(const char *filename);
/* Parses first JSON value in a file and ignores comments (/ * * / and //),
returns NULL in case of error */
JSON_Value * json_parse_file_with_comments(const char *filename);
/* Parses first JSON value in a string, returns NULL in case of error */
JSON_Value * json_parse_string(const char *string);
/* Parses first JSON value in a string and ignores comments (/ * * / and //),
returns NULL in case of error */
JSON_Value * json_parse_string_with_comments(const char *string);
/* Serialization */
size_t json_serialization_size(const JSON_Value *value);
JSON_Status json_serialize_to_file_pretty(const JSON_Value *value, const char *filename);
JSON_Status json_serialize_to_buffer(const JSON_Value *value, char *buf, size_t buf_size_in_bytes);
JSON_Status json_serialize_to_file(const JSON_Value *value, const char *filename);
char * json_serialize_to_string(const JSON_Value *value);
@ -76,11 +84,11 @@ void json_free_serialized_string(char *string); /* frees string from json
/* Comparing */
int json_value_equals(const JSON_Value *a, const JSON_Value *b);
/* Validation
This is *NOT* JSON Schema. It validates json by checking if object have identically
This is *NOT* JSON Schema. It validates json by checking if object have identically
named fields with matching types.
For example schema {"name":"", "age":0} will validate
For example schema {"name":"", "age":0} will validate
{"name":"Joe", "age":25} and {"name":"Joe", "age":25, "gender":"m"},
but not {"name":"Joe"} or {"name":"Joe", "age":"Cucumber"}.
In case of arrays, only first value in schema is checked against all values in tested array.
@ -88,7 +96,7 @@ int json_value_equals(const JSON_Value *a, const JSON_Value *b);
null validates values of every type.
*/
JSON_Status json_validate(const JSON_Value *schema, const JSON_Value *value);
/*
* JSON Object
*/
@ -113,7 +121,7 @@ int json_object_dotget_boolean(const JSON_Object *object, const char *
/* Functions to get available names */
size_t json_object_get_count(const JSON_Object *object);
const char * json_object_get_name (const JSON_Object *object, size_t index);
/* Creates new name-value pair or frees and replaces old value with new one. */
JSON_Status json_object_set_value(JSON_Object *object, const char *name, JSON_Value *value);
JSON_Status json_object_set_string(JSON_Object *object, const char *name, const char *string);
@ -136,9 +144,9 @@ JSON_Status json_object_dotremove(JSON_Object *object, const char *key);
/* Removes all name-value pairs in object */
JSON_Status json_object_clear(JSON_Object *object);
/*
*JSON Array
/*
*JSON Array
*/
JSON_Value * json_array_get_value (const JSON_Array *array, size_t index);
const char * json_array_get_string (const JSON_Array *array, size_t index);
@ -147,7 +155,7 @@ JSON_Array * json_array_get_array (const JSON_Array *array, size_t index);
double json_array_get_number (const JSON_Array *array, size_t index); /* returns 0 on fail */
int json_array_get_boolean(const JSON_Array *array, size_t index); /* returns -1 on fail */
size_t json_array_get_count (const JSON_Array *array);
/* Frees and removes value at given index, does nothing and returns JSONFailure if index doesn't exist.
* Order of values in array may change during execution. */
JSON_Status json_array_remove(JSON_Array *array, size_t i);
@ -169,7 +177,7 @@ JSON_Status json_array_append_string(JSON_Array *array, const char *string);
JSON_Status json_array_append_number(JSON_Array *array, double number);
JSON_Status json_array_append_boolean(JSON_Array *array, int boolean);
JSON_Status json_array_append_null(JSON_Array *array);
/*
*JSON Value
*/
@ -196,7 +204,7 @@ JSON_Array * json_array (const JSON_Value *value);
const char * json_string (const JSON_Value *value);
double json_number (const JSON_Value *value);
int json_boolean(const JSON_Value *value);
#ifdef __cplusplus
}
#endif

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