YAML_UTF16BE_ENCODING
} yaml_encoding_t;
+/** Line break types. */
+
+typedef enum {
+ YAML_ANY_BREAK,
+ YAML_CR_BREAK,
+ YAML_LN_BREAK,
+ YAML_CRLN_BREAK
+} yaml_break_t;
+
/** Many bad things could happen with the parser and emitter. */
typedef enum {
YAML_NO_ERROR,
*
* @returns On success, the handler should return @c 1. If the handler failed,
* the returned value should be @c 0. On EOF, the handler should set the
- * @a length to @c 0 and return @c 1.
+ * @a size_read to @c 0 and return @c 1.
*/
typedef int yaml_read_handler_t(void *data, unsigned char *buffer, size_t size,
/** The working buffer. */
struct {
- /* The beginning of the buffer. */
+ /** The beginning of the buffer. */
yaml_char_t *start;
- /* The end of the buffer. */
+ /** The end of the buffer. */
yaml_char_t *end;
- /* The current position of the buffer. */
+ /** The current position of the buffer. */
yaml_char_t *pointer;
- /* The last filled position of the buffer. */
+ /** The last filled position of the buffer. */
yaml_char_t *last;
} buffer;
*
* @param[in] parser An empty parser object.
*
- * @returns #c 1 if the function succeeded, @c 0 on error.
+ * @returns @c 1 if the function succeeded, @c 0 on error.
*/
YAML_DECLARE(int)
yaml_parser_set_input_string(yaml_parser_t *parser,
unsigned char *input, size_t size);
-
/**
* Set a file input.
*
/** @} */
-/*
+/**
+ * @defgroup emitter Emitter Definitions
+ * @{
+ */
+
+/**
+ * The prototype of a write handler.
+ *
+ * The write handler is called when the emitter needs to flush the accumulated
+ * characters to the output. The handler should write @a size bytes of the
+ * @a buffer to the output.
+ *
+ * @param[in] data A pointer to an application data specified by
+ * @c yaml_emitter_set_write_handler.
+ * @param[out] buffer The buffer with bytes to be written.
+ * @param[in] size The size of the buffer.
+ *
+ * @returns On success, the handler should return @c 1. If the handler failed,
+ * the returned value should be @c 0.
+ */
+
+typedef int yaml_write_handler_t(void *data, unsigned char *buffer, size_t size);
+
+/** The emitter states. */
+typedef enum {
+ YAML_EMIT_STREAM_START_STATE,
+ YAML_EMIT_FIRST_DOCUMENT_START_STATE,
+ YAML_EMIT_DOCUMENT_START_STATE,
+ YAML_EMIT_DOCUMENT_CONTENT_STATE,
+ YAML_EMIT_DOCUMENT_END_STATE,
+ YAML_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE,
+ YAML_EMIT_FLOW_SEQUENCE_ITEM_STATE,
+ YAML_EMIT_FLOW_MAPPING_FIRST_KEY_STATE,
+ YAML_EMIT_FLOW_MAPPING_KEY_STATE,
+ YAML_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE,
+ YAML_EMIT_FLOW_MAPPING_VALUE_STATE,
+ YAML_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE,
+ YAML_EMIT_BLOCK_SEQUENCE_ITEM_STATE,
+ YAML_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE,
+ YAML_EMIT_BLOCK_MAPPING_KEY_STATE,
+ YAML_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE,
+ YAML_EMIT_BLOCK_MAPPING_VALUE_STATE
+} yaml_emitter_state_t;
+
+/**
+ * The emitter structure.
+ *
+ * All members are internal. Manage the structure using the @c yaml_emitter_
+ * family of functions.
+ */
+
typedef struct {
+
+ /**
+ * @name Error handling
+ * @{
+ */
+
+ /** Error type. */
+ yaml_error_type_t error;
+ /** Error description. */
+ const char *problem;
+
+ /**
+ * @}
+ */
+
+ /**
+ * @name Writer stuff
+ * @{
+ */
+
+ /** Write handler. */
+ yaml_write_handler_t *write_handler;
+
+ /** A pointer for passing to the white handler. */
+ void *write_handler_data;
+
+ /** Standard (string or file) output data. */
+ union {
+ /** String output data. */
+ struct {
+ /** The buffer pointer. */
+ unsigned char *buffer;
+ /** The buffer size. */
+ size_t size;
+ /** The number of written bytes. */
+ size_t *size_written;
+ } string;
+
+ /** File output data. */
+ FILE *file;
+ } output;
+
+ /** The working buffer. */
+ struct {
+ /** The beginning of the buffer. */
+ yaml_char_t *start;
+ /** The end of the buffer. */
+ yaml_char_t *end;
+ /** The current position of the buffer. */
+ yaml_char_t *pointer;
+ /** The last filled position of the buffer. */
+ yaml_char_t *last;
+ } buffer;
+
+ /** The raw buffer. */
+ struct {
+ /** The beginning of the buffer. */
+ unsigned char *start;
+ /** The end of the buffer. */
+ unsigned char *end;
+ /** The current position of the buffer. */
+ unsigned char *pointer;
+ /** The last filled position of the buffer. */
+ unsigned char *last;
+ } raw_buffer;
+
+ /** The stream encoding. */
+ yaml_encoding_t encoding;
+
+ /**
+ * @}
+ */
+
+ /**
+ * @name Emitter stuff
+ * @{
+ */
+
+ /** If the output is in the canonical style? */
+ int canonical;
+ /** The number of indentation spaces. */
+ int best_indent;
+ /** The preferred width of the output lines. */
+ int best_width;
+ /** Allow unescaped non-ASCII characters? */
+ int unicode;
+ /** The preferred line break. */
+ yaml_break_t line_break;
+
+ /** The stack of states. */
+ struct {
+ /** The beginning of the stack. */
+ yaml_emitter_state_t *start;
+ /** The end of the stack. */
+ yaml_emitter_state_t *end;
+ /** The top of the stack. */
+ yaml_emitter_state_t *top;
+ } states;
+
+ /** The current emitter state. */
+ yaml_emitter_state_t state;
+
+ /** The event queue. */
+ struct {
+ /** The beginning of the event queue. */
+ yaml_event_t *start;
+ /** The end of the event queue. */
+ yaml_event_t *end;
+ /** The head of the event queue. */
+ yaml_event_t *head;
+ /** The tail of the event queue. */
+ yaml_event_t *tail;
+ } events;
+
+ /** The current event. */
+ yaml_event_t event;
+
+ /** The stack of indentation levels. */
+ struct {
+ /** The beginning of the stack. */
+ int *start;
+ /** The end of the stack. */
+ int *end;
+ /** The top of the stack. */
+ int *top;
+ } indents;
+
+ /** The list of tag directives. */
+ struct {
+ /** The beginning of the list. */
+ yaml_tag_directive_t *start;
+ /** The end of the list. */
+ yaml_tag_directive_t *end;
+ /** The top of the list. */
+ yaml_tag_directive_t *top;
+ } tag_directives;
+
+ /** The current indentation level. */
+ int indent;
+
+ /** The current flow level. */
+ int flow_level;
+
+ /** Is it the document root context? */
+ int root_context;
+ /** Is it a sequence context? */
+ int sequence_context;
+ /** Is it a mapping context? */
+ int mapping_context;
+ /** Is it a simple mapping key context? */
+ int simple_key_context;
+
+ /** The current line. */
+ int line;
+ /** The current column. */
+ int column;
+ /** If the last character was a whitespace? */
+ int whitespace;
+ /** If the last character was an indentation character (' ', '-', '?', ':')? */
+ int indention;
+
+ /**
+ * @}
+ */
+
} yaml_emitter_t;
+/**
+ * Initialize an emitter.
+ *
+ * This function creates a new emitter object. An application is responsible
+ * for destroying the object using the @c yaml_emitter_delete function.
+ *
+ * @param[in] emitter An empty parser object.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_initialize(yaml_emitter_t *emitter);
+
+/**
+ * Destroy an emitter.
+ *
+ * @param[in] emitter An emitter object.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_delete(yaml_emitter_t *emitter);
+
+/**
+ * Set a string output.
+ *
+ * The emitter will write the output characters to the @a output buffer of the
+ * size @a size. The emitter will set @a size_written to the number of written
+ * bytes. If the buffer is smaller than required, the emitter produces the
+ * YAML_WRITE_ERROR error.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] output An output buffer.
+ * @param[in] size The buffer size.
+ * @param[in] size_written The pointer to save the number of written bytes.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_output_string(yaml_emitter_t *emitter,
+ unsigned char *output, size_t size, size_t *size_written);
+
+/**
+ * Set a file output.
+ *
+ * @a file should be a file object open for writing. The application is
+ * responsible for closing the @a file.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] file An open file.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_output_file(yaml_emitter_t *emitter, FILE *file);
+
+/**
+ * Set a generic output handler.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] handler A write handler.
+ * @param[in] data Any application data for passing to the write handler.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_output(yaml_emitter_t *emitter,
+ yaml_write_handler_t *handler, void *data);
+
+/**
+ * Set the output encoding.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] encoding The output encoding.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_encoding(yaml_emitter_t *emitter, yaml_encoding_t encoding);
+
+/**
+ * Set if the output should be in the "canonical" format as in the YAML
+ * specification.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] canonical If the output is canonical.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical);
+
+/**
+ * Set the intendation increment.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] indent The indentation increment (> 1).
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent);
+
+/**
+ * Set the preferred line width. @c 0 means unlimited.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] width The preferred line width.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_width(yaml_emitter_t *emitter, int width);
+
+/**
+ * Set if unescaped non-ASCII characters are allowed.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] unicode If unescaped Unicode characters are allowed.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode);
+
+/**
+ * Set the preferred line break.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] line_break The preferred line break.
+ */
+
+YAML_DECLARE(void)
+yaml_emitter_set_break(yaml_emitter_t *emitter, yaml_break_t line_break);
+
+/**
+ * Emit an event.
+ *
+ * The event object may be generated using the @c yaml_parser_parse function.
+ * The emitter will destroy the event object if the function succeeds. If the
+ * function fails, the application is responsible for destroing the event
+ * object.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] event An event object.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
YAML_DECLARE(int)
yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event);
+/**
+ * Emit the STREAM-START event.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] encoding The stream encoding.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
YAML_DECLARE(int)
yaml_emitter_emit_stream_start(yaml_emitter_t *emitter,
yaml_encoding_t encoding);
-*/
+/**
+ * Emit the STREAM-END event.
+ *
+ * @param[in] emitter An emitter object.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_stream_end(yaml_emitter_t *emitter);
+
+/**
+ * Emit the DOCUMENT-START event.
+ *
+ * The @a implicit argument is considered as a stylistic parameter and may be
+ * ignored by the emitter.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] version_directive The %YAML directive value or @c NULL.
+ * @param[in] tag_directives_start The beginning of the %TAG directives list.
+ * @param[in] tag_directives_end The end of the %TAG directives list.
+ * @param[in] implicit If the document start indicator is implicit.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_document_start(yaml_emitter_t *emitter,
+ yaml_version_directive_t *version_directive,
+ yaml_tag_directive_t *tag_directives_start,
+ yaml_tag_directive_t *tag_directives_end,
+ int implicit);
+
+/**
+ * Emit the DOCUMENT-END event.
+ *
+ * The @a implicit argument is considered as a stylistic parameter and may be
+ * ignored by the emitter.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] implicit If the document end indicator is implicit.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_document_end(yaml_emitter_t *emitter, int implicit);
+
+/**
+ * Emit an ALIAS event.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] anchor The anchor value.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_alias(yaml_emitter_t *emitter, yaml_char_t *anchor);
+
+/**
+ * Emit a SCALAR event.
+ *
+ * The @a style argument may be ignored by the emitter.
+ *
+ * Either the @a tag attribute or one of the @a plain_implicit and
+ * @a quoted_implicit flags must be set.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] anchor The scalar anchor or @c NULL.
+ * @param[in] tag The scalar tag or @c NULL.
+ * @param[in] value The scalar value.
+ * @param[in] length The length of the scalar value.
+ * @param[in] plain_implicit If the tag may be omitted for the plain style.
+ * @param[in] quoted_implicit If the tag may be omitted for any non-plain style.
+ * @param[in] style The scalar style.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_scalar(yaml_emitter_t *emitter,
+ yaml_char_t *anchor, yaml_char_t *tag,
+ yaml_char_t *value, size_t length,
+ int plain_implicit, int quoted_implicit,
+ yaml_scalar_style_t style);
+
+/**
+ * Emit a SEQUENCE-START event.
+ *
+ * The @a style argument may be ignored by the emitter.
+ *
+ * Either the @a tag attribute or the @a implicit flag must be set.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] anchor The sequence anchor or @c NULL.
+ * @param[in] tag The sequence tag or @c NULL.
+ * @param[in] implicit If the tag may be omitted.
+ * @param[in] style The sequence style.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_sequence_start(yaml_emitter_t *emitter,
+ yaml_char_t *anchor, yaml_char_t *tag, int implicit,
+ yaml_sequence_style_t style);
+
+/**
+ * Emit a SEQUENCE-END event.
+ *
+ * @param[in] emitter An emitter object.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_sequence_end(yaml_emitter_t *emitter);
+
+/**
+ * Emit a MAPPING-START event.
+ *
+ * The @a style argument may be ignored by the emitter.
+ *
+ * Either the @a tag attribute or the @a implicit flag must be set.
+ *
+ * @param[in] emitter An emitter object.
+ * @param[in] anchor The mapping anchor or @c NULL.
+ * @param[in] tag The mapping tag or @c NULL.
+ * @param[in] implicit If the tag may be omitted.
+ * @param[in] style The mapping style.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_mapping_start(yaml_emitter_t *emitter,
+ yaml_char_t *anchor, yaml_char_t *tag, int implicit,
+ yaml_mapping_style_t style);
+
+/**
+ * Emit a MAPPING-END event.
+ *
+ * @param[in] emitter An emitter object.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_emit_mapping_end(yaml_emitter_t *emitter);
+
+/**
+ * Flush the accumulated characters to the output.
+ *
+ * @param[in] emitter An emitter object.
+ *
+ * @returns @c 1 if the function succeeded, @c 0 on error.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_flush(yaml_emitter_t *emitter);
+
+/** @} */
#ifdef __cplusplus
}
AM_CPPFLAGS = -I$(top_srcdir)/include
lib_LTLIBRARIES = libyaml.la
-libyaml_la_SOURCES = api.c reader.c scanner.c parser.c
+libyaml_la_SOURCES = api.c reader.c scanner.c parser.c writer.c
libyaml_la_LDFLAGS = -release $(YAML_LT_RELEASE) -version-info $(YAML_LT_CURRENT):$(YAML_LT_REVISION):$(YAML_LT_AGE)
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;
parser->encoding = 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.
*/
#include "yaml_private.h"
-/*
- * 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)))
-
/*
* Peek the next token in the token queue.
*/
parser->unread --) : 0), \
1) : 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))
-
/*
* Public API declarations.
*/
--- /dev/null
+
+#include "yaml_private.h"
+
+/*
+ * Declarations.
+ */
+
+static int
+yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem);
+
+YAML_DECLARE(int)
+yaml_emitter_flush(yaml_emitter_t *emitter);
+
+/*
+ * Set the writer error and return 0.
+ */
+
+static int
+yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem)
+{
+ emitter->error = YAML_WRITER_ERROR;
+ emitter->problem = problem;
+
+ return 0;
+}
+
+/*
+ * Flush the output buffer.
+ */
+
+YAML_DECLARE(int)
+yaml_emitter_flush(yaml_emitter_t *emitter)
+{
+ int low, high;
+
+ assert(emitter); /* Non-NULL emitter object is expected. */
+ assert(emitter->write_handler); /* Write handler must be set. */
+ assert(emitter->encoding); /* Output encoding must be set. */
+
+ /* Check if the buffer is empty. */
+
+ if (emitter->buffer.start == emitter->buffer.last) {
+ return 1;
+ }
+
+ /* If the output encoding is UTF-8, we don't need to recode the buffer. */
+
+ if (emitter->encoding == YAML_UTF8_ENCODING)
+ {
+ if (emitter->write_handler(emitter->write_handler_data,
+ emitter->buffer.start,
+ emitter->buffer.last - emitter->buffer.start)) {
+ emitter->buffer.last = emitter->buffer.start;
+ emitter->buffer.pointer = emitter->buffer.start;
+ return 1;
+ }
+ else {
+ return yaml_emitter_set_writer_error(emitter, "Write error");
+ }
+ }
+
+ /* Recode the buffer into the raw buffer. */
+
+ low = (emitter->encoding == YAML_UTF16LE_ENCODING ? 0 : 1);
+ high = (emitter->encoding == YAML_UTF16LE_ENCODING ? 1 : 0);
+
+ while (emitter->buffer.pointer != emitter->buffer.last)
+ {
+ unsigned char octet;
+ unsigned int width;
+ unsigned int value;
+ int k;
+
+ /*
+ * See the "reader.c" code for more details on UTF-8 encoding. Note
+ * that we assume that the buffer contains a valid UTF-8 sequence.
+ */
+
+ /* Read the next UTF-8 character. */
+
+ octet = emitter->buffer.pointer[0];
+
+ width = (octet & 0x80) == 0x00 ? 1 :
+ (octet & 0xE0) == 0xC0 ? 2 :
+ (octet & 0xF0) == 0xE0 ? 3 :
+ (octet & 0xF8) == 0xF0 ? 4 : 0;
+
+ value = (octet & 0x80) == 0x00 ? octet & 0x7F :
+ (octet & 0xE0) == 0xC0 ? octet & 0x1F :
+ (octet & 0xF0) == 0xE0 ? octet & 0x0F :
+ (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
+
+ for (k = 1; k < width; k ++) {
+ octet = emitter->buffer.pointer[k];
+ value = (value << 6) + (octet & 0x3F);
+ }
+
+ emitter->buffer.pointer += width;
+
+ /* Write the character. */
+
+ if (value < 0x10000)
+ {
+ emitter->raw_buffer.last[high] = value >> 8;
+ emitter->raw_buffer.last[low] = value & 0xFF;
+
+ emitter->raw_buffer.last += 2;
+ }
+ else
+ {
+ /* Write the character using a surrogate pair (check "reader.c"). */
+
+ value -= 0x10000;
+ emitter->raw_buffer.last[high] = 0xD8 + (value >> 18);
+ emitter->raw_buffer.last[low] = (value >> 10) & 0xFF;
+ emitter->raw_buffer.last[high+2] = 0xDC + ((value >> 8) & 0xFF);
+ emitter->raw_buffer.last[low+2] = value & 0xFF;
+
+ emitter->raw_buffer.last += 4;
+ }
+ }
+
+ /* Write the raw buffer. */
+
+ if (emitter->write_handler(emitter->write_handler_data,
+ emitter->raw_buffer.start,
+ emitter->raw_buffer.last - emitter->raw_buffer.start)) {
+ emitter->buffer.last = emitter->buffer.start;
+ emitter->buffer.pointer = emitter->buffer.start;
+ emitter->raw_buffer.last = emitter->raw_buffer.start;
+ emitter->raw_buffer.pointer = emitter->raw_buffer.start;
+ return 1;
+ }
+ else {
+ return yaml_emitter_set_writer_error(emitter, "Write error");
+ }
+}
+
yaml_parser_fetch_more_tokens(yaml_parser_t *parser);
/*
- * The size of the raw buffer.
+ * The size of the input raw buffer.
*/
-#define RAW_BUFFER_SIZE 16384
+#define INPUT_RAW_BUFFER_SIZE 16384
/*
- * The size of the buffer.
+ * The size of the input buffer.
*
* It should be possible to decode the whole raw buffer.
*/
-#define BUFFER_SIZE (RAW_BUFFER_SIZE*3)
+#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.
((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)))
+
andersk / libyaml.git / commitdiff
