diff options
Diffstat (limited to 'src/api.c')
| -rw-r--r-- | src/api.c | 231 |
1 files changed, 229 insertions, 2 deletions
@@ -169,9 +169,9 @@ yaml_parser_initialize(yaml_parser_t *parser) assert(parser); /* Non-NULL parser object expected. */ memset(parser, 0, sizeof(yaml_parser_t)); - if (!BUFFER_INIT(parser, parser->raw_buffer, RAW_BUFFER_SIZE)) + if (!BUFFER_INIT(parser, parser->raw_buffer, INPUT_RAW_BUFFER_SIZE)) goto error; - if (!BUFFER_INIT(parser, parser->buffer, BUFFER_SIZE)) + if (!BUFFER_INIT(parser, parser->buffer, INPUT_BUFFER_SIZE)) goto error; if (!QUEUE_INIT(parser, parser->tokens, INITIAL_QUEUE_SIZE)) goto error; @@ -337,6 +337,233 @@ yaml_parser_set_encoding(yaml_parser_t *parser, yaml_encoding_t encoding) } /* + * Create a new emitter object. + */ + +YAML_DECLARE(int) +yaml_emitter_initialize(yaml_emitter_t *emitter) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + + memset(emitter, 0, sizeof(yaml_emitter_t)); + if (!BUFFER_INIT(emitter, emitter->buffer, OUTPUT_BUFFER_SIZE)) + goto error; + if (!BUFFER_INIT(emitter, emitter->raw_buffer, OUTPUT_RAW_BUFFER_SIZE)) + goto error; + if (!STACK_INIT(emitter, emitter->states, INITIAL_STACK_SIZE)) + goto error; + if (!QUEUE_INIT(emitter, emitter->events, INITIAL_QUEUE_SIZE)) + goto error; + if (!STACK_INIT(emitter, emitter->indents, INITIAL_STACK_SIZE)) + goto error; + if (!STACK_INIT(emitter, emitter->tag_directives, INITIAL_STACK_SIZE)) + goto error; + + return 1; + +error: + + BUFFER_DEL(emitter, emitter->buffer); + BUFFER_DEL(emitter, emitter->raw_buffer); + STACK_DEL(emitter, emitter->states); + QUEUE_DEL(emitter, emitter->events); + STACK_DEL(emitter, emitter->indents); + STACK_DEL(emitter, emitter->tag_directives); + + return 0; +} + +/* + * Destroy an emitter object. + */ + +YAML_DECLARE(void) +yaml_emitter_delete(yaml_emitter_t *emitter) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + + BUFFER_DEL(emitter, emitter->buffer); + BUFFER_DEL(emitter, emitter->raw_buffer); + STACK_DEL(emitter, emitter->states); + while (!QUEUE_EMPTY(emitter, emitter->events)) { + yaml_event_delete(&DEQUEUE(emitter, emitter->events)); + } + STACK_DEL(emitter, emitter->indents); + while (!STACK_EMPTY(empty, emitter->tag_directives)) { + yaml_tag_directive_t tag_directive = POP(emitter, emitter->tag_directives); + yaml_free(tag_directive.handle); + yaml_free(tag_directive.prefix); + } + STACK_DEL(emitter, emitter->tag_directives); + + memset(emitter, 0, sizeof(yaml_emitter_t)); +} + +/* + * String write handler. + */ + +static int +yaml_string_write_handler(void *data, unsigned char *buffer, size_t size) +{ + yaml_emitter_t *emitter = data; + + if (emitter->output.string.size + *emitter->output.string.size_written + < size) { + memcpy(emitter->output.string.buffer + + *emitter->output.string.size_written, + buffer, + emitter->output.string.size + - *emitter->output.string.size_written); + *emitter->output.string.size_written = emitter->output.string.size; + return 0; + } + + memcpy(emitter->output.string.buffer + + *emitter->output.string.size_written, buffer, size); + *emitter->output.string.size_written += size; + return 1; +} + +/* + * File write handler. + */ + +static int +yaml_file_write_handler(void *data, unsigned char *buffer, size_t size) +{ + yaml_emitter_t *emitter = data; + + return (fwrite(buffer, 1, size, emitter->output.file) == size); +} +/* + * Set a string output. + */ + +YAML_DECLARE(void) +yaml_emitter_set_output_string(yaml_emitter_t *emitter, + unsigned char *output, size_t size, size_t *size_written) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + assert(!emitter->write_handler); /* You can set the output only once. */ + assert(output); /* Non-NULL output string expected. */ + + emitter->write_handler = yaml_string_write_handler; + emitter->write_handler_data = emitter; + + emitter->output.string.buffer = output; + emitter->output.string.size = size; + emitter->output.string.size_written = size_written; + *size_written = 0; +} + +/* + * Set a file output. + */ + +YAML_DECLARE(void) +yaml_emitter_set_output_file(yaml_emitter_t *emitter, FILE *file) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + assert(!emitter->write_handler); /* You can set the output only once. */ + assert(file); /* Non-NULL file object expected. */ + + emitter->write_handler = yaml_file_write_handler; + emitter->write_handler_data = emitter; + + emitter->output.file = file; +} + +/* + * Set a generic output handler. + */ + +YAML_DECLARE(void) +yaml_emitter_set_output(yaml_emitter_t *emitter, + yaml_write_handler_t *handler, void *data) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + assert(!emitter->write_handler); /* You can set the output only once. */ + assert(handler); /* Non-NULL handler object expected. */ + + emitter->write_handler = handler; + emitter->write_handler_data = data; +} + +/* + * Set the output encoding. + */ + +YAML_DECLARE(void) +yaml_emitter_set_encoding(yaml_emitter_t *emitter, yaml_encoding_t encoding) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + assert(!emitter->encoding); /* You can set encoding only once. */ + + emitter->encoding = encoding; +} + +/* + * Set the canonical output style. + */ + +YAML_DECLARE(void) +yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + + emitter->canonical = (canonical != 0); +} + +/* + * Set the indentation increment. + */ + +YAML_DECLARE(void) +yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + + emitter->best_indent = (1 < indent && indent < 10) ? indent : 2; +} + +/* + * Set the preferred line width. + */ + +YAML_DECLARE(void) +yaml_emitter_set_width(yaml_emitter_t *emitter, int width) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + + emitter->best_width = (width > 0) ? width : 0; +} + +/* + * Set if unescaped non-ASCII characters are allowed. + */ + +YAML_DECLARE(void) +yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + + emitter->unicode = (unicode != 0); +} + +/* + * Set the preferred line break character. + */ + +YAML_DECLARE(void) +yaml_emitter_set_break(yaml_emitter_t *emitter, yaml_break_t line_break) +{ + assert(emitter); /* Non-NULL emitter object expected. */ + + emitter->line_break = line_break; +} + +/* * Destroy a token object. */ |