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print_object: simplify code

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This commit is contained in:
Max Bruckner 2017-02-20 16:58:22 +01:00
parent b71db93e03
commit 1d42c9bc60
1 changed files with 15 additions and 47 deletions
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62
cJSON.c
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@ -786,7 +786,7 @@ static unsigned char *print_value(const cJSON * const item, const size_t depth,
static const unsigned char *parse_array(cJSON * const item, const unsigned char *input, const unsigned char ** const ep);
static unsigned char *print_array(const cJSON * const item, const size_t depth, const cjbool format, printbuffer * const output_buffer);
static const unsigned char *parse_object(cJSON * const item, const unsigned char *input, const unsigned char ** const ep);
static unsigned char *print_object(const cJSON * const item, size_t depth, const cjbool format, printbuffer * const output_buffer);
static unsigned char *print_object(const cJSON * const item, const size_t depth, const cjbool format, printbuffer * const output_buffer);
/* Utility to jump whitespace and cr/lf */
static const unsigned char *skip_whitespace(const unsigned char *in)
@ -1312,53 +1312,21 @@ fail:
}
/* Render an object to text. */
static unsigned char *print_object(const cJSON * const item, size_t depth, const cjbool format, printbuffer * const output_buffer)
static unsigned char *print_object(const cJSON * const item, const size_t depth, const cjbool format, printbuffer * const output_buffer)
{
unsigned char *output = NULL;
unsigned char *output_pointer = NULL;
size_t length = 7;
size_t i = 0;
size_t j = 0;
size_t length = 0;
size_t output_offset = 0;
cJSON *current_item = item->child;
size_t object_length = 0;
if (output_buffer == NULL)
{
return NULL;
}
/* Count the number of entries. */
while (current_item)
{
object_length++;
current_item = current_item->next;
}
/* Explicitly handle empty object case */
if (!object_length)
{
output = ensure(output_buffer, format ? depth + 4 : 3);
if (output == NULL)
{
return NULL;
}
output_pointer = output;
*output_pointer++ = '{';
if (format) {
*output_pointer++ = '\n';
for (i = 0; i < depth; i++)
{
*output_pointer++ = '\t';
}
}
*output_pointer++ = '}';
*output_pointer++ = '\0';
return output;
}
/* Compose the output: */
i = output_buffer->offset;
output_offset = output_buffer->offset;
length = format ? 2 : 1; /* fmt: {\n */
output_pointer = ensure(output_buffer, length + 1);
if (output_pointer == NULL)
@ -1371,29 +1339,28 @@ static unsigned char *print_object(const cJSON * const item, size_t depth, const
{
*output_pointer++ = '\n';
}
*output_pointer = '\0';
output_buffer->offset += length;
current_item = item->child;
depth++;
while (current_item)
{
if (format)
{
output_pointer = ensure(output_buffer, depth);
size_t i;
output_pointer = ensure(output_buffer, depth + 1);
if (output_pointer == NULL)
{
return NULL;
}
for (j = 0; j < depth; j++)
for (i = 0; i < depth + 1; i++)
{
*output_pointer++ = '\t';
}
output_buffer->offset += depth;
output_buffer->offset += depth + 1;
}
/* print key */
if (!print_string_ptr((unsigned char*)current_item->string, output_buffer))
if (print_string_ptr((unsigned char*)current_item->string, output_buffer) == NULL)
{
return NULL;
}
@ -1413,7 +1380,7 @@ static unsigned char *print_object(const cJSON * const item, size_t depth, const
output_buffer->offset += length;
/* print value */
if (!print_value(current_item, depth, format, output_buffer))
if (!print_value(current_item, depth + 1, format, output_buffer))
{
return NULL;
}
@ -1441,21 +1408,22 @@ static unsigned char *print_object(const cJSON * const item, size_t depth, const
current_item = current_item->next;
}
output_pointer = ensure(output_buffer, format ? (depth + 1) : 2);
output_pointer = ensure(output_buffer, format ? (depth + 2) : 2);
if (output_pointer == NULL)
{
return NULL;
}
if (format)
{
for (i = 0; i < (depth - 1); i++)
size_t i;
for (i = 0; i < (depth); i++)
{
*output_pointer++ = '\t';
}
}
*output_pointer++ = '}';
*output_pointer = '\0';
output = (output_buffer->buffer) + i;
output = (output_buffer->buffer) + output_offset;
return output;
}