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#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <yaml.h>
#include <assert.h>
/*
* Memory management.
*/
YAML_DECLARE(void *)
yaml_malloc(size_t size);
YAML_DECLARE(void *)
yaml_realloc(void *ptr, size_t size);
YAML_DECLARE(void)
yaml_free(void *ptr);
YAML_DECLARE(yaml_char_t *)
yaml_strdup(const yaml_char_t *);
/*
* Reader: Ensure that the buffer contains at least `length` characters.
*/
YAML_DECLARE(int)
yaml_parser_update_buffer(yaml_parser_t *parser, size_t length);
/*
* Scanner: Ensure that the token stack contains at least one token ready.
*/
YAML_DECLARE(int)
yaml_parser_fetch_more_tokens(yaml_parser_t *parser);
/*
* The size of the input raw buffer.
*/
#define INPUT_RAW_BUFFER_SIZE 16384
/*
* The size of the input buffer.
*
* It should be possible to decode the whole raw buffer.
*/
#define INPUT_BUFFER_SIZE (INPUT_RAW_BUFFER_SIZE*3)
/*
* The size of the output buffer.
*/
#define OUTPUT_BUFFER_SIZE 16384
/*
* The size of the output raw buffer.
*
* It should be possible to encode the whole output buffer.
*/
#define OUTPUT_RAW_BUFFER_SIZE (OUTPUT_BUFFER_SIZE*2+2)
/*
* The size of other stacks and queues.
*/
#define INITIAL_STACK_SIZE 16
#define INITIAL_QUEUE_SIZE 16
#define INITIAL_STRING_SIZE 16
/*
* Buffer management.
*/
#define BUFFER_INIT(context,buffer,size) \
(((buffer).start = yaml_malloc(size)) ? \
((buffer).last = (buffer).pointer = (buffer).start, \
(buffer).end = (buffer).start+(size), \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
#define BUFFER_DEL(context,buffer) \
(yaml_free((buffer).start), \
(buffer).start = (buffer).pointer = (buffer).end = 0)
/*
* String management.
*/
typedef struct {
yaml_char_t *start;
yaml_char_t *end;
yaml_char_t *pointer;
} yaml_string_t;
YAML_DECLARE(int)
yaml_string_extend(yaml_char_t **start,
yaml_char_t **pointer, yaml_char_t **end);
YAML_DECLARE(int)
yaml_string_join(
yaml_char_t **a_start, yaml_char_t **a_pointer, yaml_char_t **a_end,
yaml_char_t **b_start, yaml_char_t **b_pointer, yaml_char_t **b_end);
#define NULL_STRING { NULL, NULL, NULL }
#define STRING_INIT(context,string,size) \
(((string).start = yaml_malloc(size)) ? \
((string).pointer = (string).start, \
(string).end = (string).start+(size), \
memset((string).start, 0, (size)), \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
#define STRING_DEL(context,string) \
(yaml_free((string).start), \
(string).start = (string).pointer = (string).end = 0)
#define STRING_EXTEND(context,string) \
(((string).pointer+5 < (string).end) \
|| yaml_string_extend(&(string).start, \
&(string).pointer, &(string).end))
#define CLEAR(context,string) \
((string).pointer = (string).start, \
memset((string).start, 0, (string).end-(string).start))
#define JOIN(context,string_a,string_b) \
((yaml_string_join(&(string_a).start, &(string_a).pointer, \
&(string_a).end, &(string_b).start, \
&(string_b).pointer, &(string_b).end)) ? \
((string_b).pointer = (string_b).start, \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
/*
* Stack and queue management.
*/
YAML_DECLARE(int)
yaml_stack_extend(void **start, void **top, void **end);
YAML_DECLARE(int)
yaml_queue_extend(void **start, void **head, void **tail, void **end);
#define STACK_INIT(context,stack,size) \
(((stack).start = yaml_malloc((size)*sizeof(*(stack).start))) ? \
((stack).top = (stack).start, \
(stack).end = (stack).start+(size), \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
#define STACK_DEL(context,stack) \
(yaml_free((stack).start), \
(stack).start = (stack).top = (stack).end = 0)
#define STACK_EMPTY(context,stack) \
((stack).start == (stack).top)
#define PUSH(context,stack,value) \
(((stack).top != (stack).end \
|| yaml_stack_extend((void **)&(stack).start, \
(void **)&(stack).top, (void **)&(stack).end)) ? \
(*((stack).top++) = value, \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
#define POP(context,stack) \
(*(--(stack).top))
#define QUEUE_INIT(context,queue,size) \
(((queue).start = yaml_malloc((size)*sizeof(*(queue).start))) ? \
((queue).head = (queue).tail = (queue).start, \
(queue).end = (queue).start+(size), \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
#define QUEUE_DEL(context,queue) \
(yaml_free((queue).start), \
(queue).start = (queue).head = (queue).tail = (queue).end = 0)
#define QUEUE_EMPTY(context,queue) \
((queue).head == (queue).tail)
#define ENQUEUE(context,queue,value) \
(((queue).tail != (queue).end \
|| yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head, \
(void **)&(queue).tail, (void **)&(queue).end)) ? \
(*((queue).tail++) = value, \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
#define DEQUEUE(context,queue) \
(*((queue).head++))
#define QUEUE_INSERT(context,queue,index,value) \
(((queue).tail != (queue).end \
|| yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head, \
(void **)&(queue).tail, (void **)&(queue).end)) ? \
(memmove((queue).head+(index)+1,(queue).head+(index), \
((queue).tail-(queue).head-(index))*sizeof(*(queue).start)), \
*((queue).head+(index)) = value, \
(queue).tail++, \
1) : \
((context)->error = YAML_MEMORY_ERROR, \
0))
/*
* Token initializers.
*/
#define TOKEN_INIT(token,token_type,token_start_mark,token_end_mark) \
(memset(&(token), 0, sizeof(yaml_token_t)), \
(token).type = (token_type), \
(token).start_mark = (token_start_mark), \
(token).end_mark = (token_end_mark))
#define STREAM_START_TOKEN_INIT(token,token_encoding,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_STREAM_START_TOKEN,(start_mark),(end_mark)), \
(token).data.stream_start.encoding = (token_encoding))
#define STREAM_END_TOKEN_INIT(token,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_STREAM_END_TOKEN,(start_mark),(end_mark)))
#define ALIAS_TOKEN_INIT(token,token_value,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_ALIAS_TOKEN,(start_mark),(end_mark)), \
(token).data.alias.value = (token_value))
#define ANCHOR_TOKEN_INIT(token,token_value,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_ANCHOR_TOKEN,(start_mark),(end_mark)), \
(token).data.anchor.value = (token_value))
#define TAG_TOKEN_INIT(token,token_handle,token_suffix,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_TAG_TOKEN,(start_mark),(end_mark)), \
(token).data.tag.handle = (token_handle), \
(token).data.tag.suffix = (token_suffix))
#define SCALAR_TOKEN_INIT(token,token_value,token_length,token_style,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_SCALAR_TOKEN,(start_mark),(end_mark)), \
(token).data.scalar.value = (token_value), \
(token).data.scalar.length = (token_length), \
(token).data.scalar.style = (token_style))
#define VERSION_DIRECTIVE_TOKEN_INIT(token,token_major,token_minor,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_VERSION_DIRECTIVE_TOKEN,(start_mark),(end_mark)), \
(token).data.version_directive.major = (token_major), \
(token).data.version_directive.minor = (token_minor))
#define TAG_DIRECTIVE_TOKEN_INIT(token,token_handle,token_prefix,start_mark,end_mark) \
(TOKEN_INIT((token),YAML_TAG_DIRECTIVE_TOKEN,(start_mark),(end_mark)), \
(token).data.tag_directive.handle = (token_handle), \
(token).data.tag_directive.prefix = (token_prefix))
/*
* Event initializers.
*/
#define EVENT_INIT(event,event_type,event_start_mark,event_end_mark) \
(memset(&(event), 0, sizeof(yaml_event_t)), \
(event).type = (event_type), \
(event).start_mark = (event_start_mark), \
(event).end_mark = (event_end_mark))
#define STREAM_START_EVENT_INIT(event,event_encoding,start_mark,end_mark) \
(EVENT_INIT((event),YAML_STREAM_START_EVENT,(start_mark),(end_mark)), \
(event).data.stream_start.encoding = (event_encoding))
#define STREAM_END_EVENT_INIT(event,start_mark,end_mark) \
(EVENT_INIT((event),YAML_STREAM_END_EVENT,(start_mark),(end_mark)))
#define DOCUMENT_START_EVENT_INIT(event,event_version_directive, \
event_tag_directives_start,event_tag_directives_end,event_implicit,start_mark,end_mark) \
(EVENT_INIT((event),YAML_DOCUMENT_START_EVENT,(start_mark),(end_mark)), \
(event).data.document_start.version_directive = (event_version_directive), \
(event).data.document_start.tag_directives.start = (event_tag_directives_start), \
(event).data.document_start.tag_directives.end = (event_tag_directives_end), \
(event).data.document_start.implicit = (event_implicit))
#define DOCUMENT_END_EVENT_INIT(event,event_implicit,start_mark,end_mark) \
(EVENT_INIT((event),YAML_DOCUMENT_END_EVENT,(start_mark),(end_mark)), \
(event).data.document_end.implicit = (event_implicit))
#define ALIAS_EVENT_INIT(event,event_anchor,start_mark,end_mark) \
(EVENT_INIT((event),YAML_ALIAS_EVENT,(start_mark),(end_mark)), \
(event).data.alias.anchor = (event_anchor))
#define SCALAR_EVENT_INIT(event,event_anchor,event_tag,event_value,event_length, \
event_plain_implicit, event_quoted_implicit,event_style,start_mark,end_mark) \
(EVENT_INIT((event),YAML_SCALAR_EVENT,(start_mark),(end_mark)), \
(event).data.scalar.anchor = (event_anchor), \
(event).data.scalar.tag = (event_tag), \
(event).data.scalar.value = (event_value), \
(event).data.scalar.length = (event_length), \
(event).data.scalar.plain_implicit = (event_plain_implicit), \
(event).data.scalar.quoted_implicit = (event_quoted_implicit), \
(event).data.scalar.style = (event_style))
#define SEQUENCE_START_EVENT_INIT(event,event_anchor,event_tag, \
event_implicit,event_style,start_mark,end_mark) \
(EVENT_INIT((event),YAML_SEQUENCE_START_EVENT,(start_mark),(end_mark)), \
(event).data.sequence_start.anchor = (event_anchor), \
(event).data.sequence_start.tag = (event_tag), \
(event).data.sequence_start.implicit = (event_implicit), \
(event).data.sequence_start.style = (event_style))
#define SEQUENCE_END_EVENT_INIT(event,start_mark,end_mark) \
(EVENT_INIT((event),YAML_SEQUENCE_END_EVENT,(start_mark),(end_mark)))
#define MAPPING_START_EVENT_INIT(event,event_anchor,event_tag, \
event_implicit,event_style,start_mark,end_mark) \
(EVENT_INIT((event),YAML_MAPPING_START_EVENT,(start_mark),(end_mark)), \
(event).data.mapping_start.anchor = (event_anchor), \
(event).data.mapping_start.tag = (event_tag), \
(event).data.mapping_start.implicit = (event_implicit), \
(event).data.mapping_start.style = (event_style))
#define MAPPING_END_EVENT_INIT(event,start_mark,end_mark) \
(EVENT_INIT((event),YAML_MAPPING_END_EVENT,(start_mark),(end_mark)))
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