diff options
Diffstat (limited to '')
-rw-r--r-- | web/server/h2o/libh2o/deps/yaml/tests/example-deconstructor-alt.c | 800 |
1 files changed, 800 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/yaml/tests/example-deconstructor-alt.c b/web/server/h2o/libh2o/deps/yaml/tests/example-deconstructor-alt.c new file mode 100644 index 000000000..7da194a65 --- /dev/null +++ b/web/server/h2o/libh2o/deps/yaml/tests/example-deconstructor-alt.c @@ -0,0 +1,800 @@ + +#include <yaml.h> + +#include <stdlib.h> +#include <stdio.h> + +int +main(int argc, char *argv[]) +{ + int help = 0; + int canonical = 0; + int unicode = 0; + int k; + int done = 0; + + yaml_parser_t parser; + yaml_emitter_t emitter; + yaml_event_t input_event; + yaml_document_t output_document; + + int root; + + /* Clear the objects. */ + + memset(&parser, 0, sizeof(parser)); + memset(&emitter, 0, sizeof(emitter)); + memset(&input_event, 0, sizeof(input_event)); + memset(&output_document, 0, sizeof(output_document)); + + /* Analyze command line options. */ + + for (k = 1; k < argc; k ++) + { + if (strcmp(argv[k], "-h") == 0 + || strcmp(argv[k], "--help") == 0) { + help = 1; + } + + else if (strcmp(argv[k], "-c") == 0 + || strcmp(argv[k], "--canonical") == 0) { + canonical = 1; + } + + else if (strcmp(argv[k], "-u") == 0 + || strcmp(argv[k], "--unicode") == 0) { + unicode = 1; + } + + else { + fprintf(stderr, "Unrecognized option: %s\n" + "Try `%s --help` for more information.\n", + argv[k], argv[0]); + return 1; + } + } + + /* Display the help string. */ + + if (help) + { + printf("%s <input\n" + "or\n%s -h | --help\nDeconstruct a YAML stream\n\nOptions:\n" + "-h, --help\t\tdisplay this help and exit\n" + "-c, --canonical\t\toutput in the canonical YAML format\n" + "-u, --unicode\t\toutput unescaped non-ASCII characters\n", + argv[0], argv[0]); + return 0; + } + + /* Initialize the parser and emitter objects. */ + + if (!yaml_parser_initialize(&parser)) { + fprintf(stderr, "Could not initialize the parser object\n"); + return 1; + } + + if (!yaml_emitter_initialize(&emitter)) { + yaml_parser_delete(&parser); + fprintf(stderr, "Could not inialize the emitter object\n"); + return 1; + } + + /* Set the parser parameters. */ + + yaml_parser_set_input_file(&parser, stdin); + + /* Set the emitter parameters. */ + + yaml_emitter_set_output_file(&emitter, stdout); + + yaml_emitter_set_canonical(&emitter, canonical); + yaml_emitter_set_unicode(&emitter, unicode); + + /* Create and emit the STREAM-START event. */ + + if (!yaml_emitter_open(&emitter)) + goto emitter_error; + + /* Create a output_document object. */ + + if (!yaml_document_initialize(&output_document, NULL, NULL, NULL, 0, 0)) + goto document_error; + + /* Create the root sequence. */ + + root = yaml_document_add_sequence(&output_document, NULL, + YAML_BLOCK_SEQUENCE_STYLE); + if (!root) goto document_error; + + /* Loop through the input events. */ + + while (!done) + { + int properties, key, value, map, seq; + + /* Get the next event. */ + + if (!yaml_parser_parse(&parser, &input_event)) + goto parser_error; + + /* Check if this is the stream end. */ + + if (input_event.type == YAML_STREAM_END_EVENT) { + done = 1; + } + + /* Create a mapping node and attach it to the root sequence. */ + + properties = yaml_document_add_mapping(&output_document, NULL, + YAML_BLOCK_MAPPING_STYLE); + if (!properties) goto document_error; + if (!yaml_document_append_sequence_item(&output_document, + root, properties)) goto document_error; + + /* Analyze the event. */ + + switch (input_event.type) + { + case YAML_STREAM_START_EVENT: + + /* Add 'type': 'STREAM-START'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "STREAM-START", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Add 'encoding': <encoding>. */ + + if (input_event.data.stream_start.encoding) + { + yaml_encoding_t encoding + = input_event.data.stream_start.encoding; + + key = yaml_document_add_scalar(&output_document, NULL, + "encoding", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + (encoding == YAML_UTF8_ENCODING ? "utf-8" : + encoding == YAML_UTF16LE_ENCODING ? "utf-16-le" : + encoding == YAML_UTF16BE_ENCODING ? "utf-16-be" : + "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + break; + + case YAML_STREAM_END_EVENT: + + /* Add 'type': 'STREAM-END'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "STREAM-END", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + break; + + case YAML_DOCUMENT_START_EVENT: + + /* Add 'type': 'DOCUMENT-START'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "DOCUMENT-START", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Display the output_document version numbers. */ + + if (input_event.data.document_start.version_directive) + { + yaml_version_directive_t *version + = input_event.data.document_start.version_directive; + char number[64]; + + /* Add 'version': {}. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "version", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + map = yaml_document_add_mapping(&output_document, NULL, + YAML_FLOW_MAPPING_STYLE); + if (!map) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, map)) goto document_error; + + /* Add 'major': <number>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "major", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + sprintf(number, "%d", version->major); + value = yaml_document_add_scalar(&output_document, YAML_INT_TAG, + number, -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + map, key, value)) goto document_error; + + /* Add 'minor': <number>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "minor", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + sprintf(number, "%d", version->minor); + value = yaml_document_add_scalar(&output_document, YAML_INT_TAG, + number, -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + map, key, value)) goto document_error; + } + + /* Display the output_document tag directives. */ + + if (input_event.data.document_start.tag_directives.start + != input_event.data.document_start.tag_directives.end) + { + yaml_tag_directive_t *tag; + + /* Add 'tags': []. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "tags", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + seq = yaml_document_add_sequence(&output_document, NULL, + YAML_BLOCK_SEQUENCE_STYLE); + if (!seq) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, seq)) goto document_error; + + for (tag = input_event.data.document_start.tag_directives.start; + tag != input_event.data.document_start.tag_directives.end; + tag ++) + { + /* Add {}. */ + + map = yaml_document_add_mapping(&output_document, NULL, + YAML_FLOW_MAPPING_STYLE); + if (!map) goto document_error; + if (!yaml_document_append_sequence_item(&output_document, + seq, map)) goto document_error; + + /* Add 'handle': <handle>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "handle", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + tag->handle, -1, YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + map, key, value)) goto document_error; + + /* Add 'prefix': <prefix>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "prefix", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + tag->prefix, -1, YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + map, key, value)) goto document_error; + } + } + + /* Add 'implicit': <flag>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "implicit", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, + (input_event.data.document_start.implicit ? + "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + break; + + case YAML_DOCUMENT_END_EVENT: + + /* Add 'type': 'DOCUMENT-END'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "DOCUMENT-END", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Add 'implicit': <flag>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "implicit", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, + (input_event.data.document_end.implicit ? + "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + break; + + case YAML_ALIAS_EVENT: + + /* Add 'type': 'ALIAS'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "ALIAS", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Add 'anchor': <anchor>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "anchor", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.alias.anchor, -1, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + break; + + case YAML_SCALAR_EVENT: + + /* Add 'type': 'SCALAR'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "SCALAR", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Add 'anchor': <anchor>. */ + + if (input_event.data.scalar.anchor) + { + key = yaml_document_add_scalar(&output_document, NULL, + "anchor", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.scalar.anchor, -1, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + /* Add 'tag': <tag>. */ + + if (input_event.data.scalar.tag) + { + key = yaml_document_add_scalar(&output_document, NULL, + "tag", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.scalar.tag, -1, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + /* Add 'value': <value>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "value", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.scalar.value, + input_event.data.scalar.length, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Display if the scalar tag is implicit. */ + + /* Add 'implicit': {} */ + + key = yaml_document_add_scalar(&output_document, NULL, + "version", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + map = yaml_document_add_mapping(&output_document, NULL, + YAML_FLOW_MAPPING_STYLE); + if (!map) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, map)) goto document_error; + + /* Add 'plain': <flag>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "plain", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, + (input_event.data.scalar.plain_implicit ? + "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + map, key, value)) goto document_error; + + /* Add 'quoted': <flag>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "quoted", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, + (input_event.data.scalar.quoted_implicit ? + "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + map, key, value)) goto document_error; + + /* Display the style information. */ + + if (input_event.data.scalar.style) + { + yaml_scalar_style_t style = input_event.data.scalar.style; + + /* Add 'style': <style>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "style", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + (style == YAML_PLAIN_SCALAR_STYLE ? "plain" : + style == YAML_SINGLE_QUOTED_SCALAR_STYLE ? + "single-quoted" : + style == YAML_DOUBLE_QUOTED_SCALAR_STYLE ? + "double-quoted" : + style == YAML_LITERAL_SCALAR_STYLE ? "literal" : + style == YAML_FOLDED_SCALAR_STYLE ? "folded" : + "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + break; + + case YAML_SEQUENCE_START_EVENT: + + /* Add 'type': 'SEQUENCE-START'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "SEQUENCE-START", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Add 'anchor': <anchor>. */ + + if (input_event.data.sequence_start.anchor) + { + key = yaml_document_add_scalar(&output_document, NULL, + "anchor", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.sequence_start.anchor, -1, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + /* Add 'tag': <tag>. */ + + if (input_event.data.sequence_start.tag) + { + key = yaml_document_add_scalar(&output_document, NULL, + "tag", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.sequence_start.tag, -1, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + /* Add 'implicit': <flag>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "implicit", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, + (input_event.data.sequence_start.implicit ? + "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Display the style information. */ + + if (input_event.data.sequence_start.style) + { + yaml_sequence_style_t style + = input_event.data.sequence_start.style; + + /* Add 'style': <style>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "style", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + (style == YAML_BLOCK_SEQUENCE_STYLE ? "block" : + style == YAML_FLOW_SEQUENCE_STYLE ? "flow" : + "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + break; + + case YAML_SEQUENCE_END_EVENT: + + /* Add 'type': 'SEQUENCE-END'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "SEQUENCE-END", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + break; + + case YAML_MAPPING_START_EVENT: + + /* Add 'type': 'MAPPING-START'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "MAPPING-START", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Add 'anchor': <anchor>. */ + + if (input_event.data.mapping_start.anchor) + { + key = yaml_document_add_scalar(&output_document, NULL, + "anchor", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.mapping_start.anchor, -1, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + /* Add 'tag': <tag>. */ + + if (input_event.data.mapping_start.tag) + { + key = yaml_document_add_scalar(&output_document, NULL, + "tag", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + input_event.data.mapping_start.tag, -1, + YAML_DOUBLE_QUOTED_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + /* Add 'implicit': <flag>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "implicit", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, + (input_event.data.mapping_start.implicit ? + "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + /* Display the style information. */ + + if (input_event.data.sequence_start.style) + { + yaml_sequence_style_t style + = input_event.data.mapping_start.style; + + /* Add 'style': <style>. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "style", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + (style == YAML_BLOCK_MAPPING_STYLE ? "block" : + style == YAML_FLOW_MAPPING_STYLE ? "flow" : + "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + } + + break; + + case YAML_MAPPING_END_EVENT: + + /* Add 'type': 'MAPPING-END'. */ + + key = yaml_document_add_scalar(&output_document, NULL, + "type", -1, YAML_PLAIN_SCALAR_STYLE); + if (!key) goto document_error; + value = yaml_document_add_scalar(&output_document, NULL, + "MAPPING-END", -1, YAML_PLAIN_SCALAR_STYLE); + if (!value) goto document_error; + if (!yaml_document_append_mapping_pair(&output_document, + properties, key, value)) goto document_error; + + break; + + default: + /* It couldn't really happen. */ + break; + } + + /* Delete the event object. */ + + yaml_event_delete(&input_event); + } + + if (!yaml_emitter_dump(&emitter, &output_document)) + goto emitter_error; + if (!yaml_emitter_close(&emitter)) + goto emitter_error; + + yaml_parser_delete(&parser); + yaml_emitter_delete(&emitter); + + return 0; + +parser_error: + + /* Display a parser error message. */ + + switch (parser.error) + { + case YAML_MEMORY_ERROR: + fprintf(stderr, "Memory error: Not enough memory for parsing\n"); + break; + + case YAML_READER_ERROR: + if (parser.problem_value != -1) { + fprintf(stderr, "Reader error: %s: #%X at %d\n", parser.problem, + parser.problem_value, parser.problem_offset); + } + else { + fprintf(stderr, "Reader error: %s at %d\n", parser.problem, + parser.problem_offset); + } + break; + + case YAML_SCANNER_ERROR: + if (parser.context) { + fprintf(stderr, "Scanner error: %s at line %d, column %d\n" + "%s at line %d, column %d\n", parser.context, + parser.context_mark.line+1, parser.context_mark.column+1, + parser.problem, parser.problem_mark.line+1, + parser.problem_mark.column+1); + } + else { + fprintf(stderr, "Scanner error: %s at line %d, column %d\n", + parser.problem, parser.problem_mark.line+1, + parser.problem_mark.column+1); + } + break; + + case YAML_PARSER_ERROR: + if (parser.context) { + fprintf(stderr, "Parser error: %s at line %d, column %d\n" + "%s at line %d, column %d\n", parser.context, + parser.context_mark.line+1, parser.context_mark.column+1, + parser.problem, parser.problem_mark.line+1, + parser.problem_mark.column+1); + } + else { + fprintf(stderr, "Parser error: %s at line %d, column %d\n", + parser.problem, parser.problem_mark.line+1, + parser.problem_mark.column+1); + } + break; + + default: + /* Couldn't happen. */ + fprintf(stderr, "Internal error\n"); + break; + } + + yaml_event_delete(&input_event); + yaml_document_delete(&output_document); + yaml_parser_delete(&parser); + yaml_emitter_delete(&emitter); + + return 1; + +emitter_error: + + /* Display an emitter error message. */ + + switch (emitter.error) + { + case YAML_MEMORY_ERROR: + fprintf(stderr, "Memory error: Not enough memory for emitting\n"); + break; + + case YAML_WRITER_ERROR: + fprintf(stderr, "Writer error: %s\n", emitter.problem); + break; + + case YAML_EMITTER_ERROR: + fprintf(stderr, "Emitter error: %s\n", emitter.problem); + break; + + default: + /* Couldn't happen. */ + fprintf(stderr, "Internal error\n"); + break; + } + + yaml_event_delete(&input_event); + yaml_document_delete(&output_document); + yaml_parser_delete(&parser); + yaml_emitter_delete(&emitter); + + return 1; + +document_error: + + fprintf(stderr, "Memory error: Not enough memory for creating a document\n"); + + yaml_event_delete(&input_event); + yaml_document_delete(&output_document); + yaml_parser_delete(&parser); + yaml_emitter_delete(&emitter); + + return 1; +} + |