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0.1.4
tests/example-deconstructor.c
1 128 строк
43 KB
Kirill Simonov
Add functions for constructing, parsing and emitting YAML documents.
07 янв 2007, 23:11
07 янв 2007, 23:11
e27a3c8
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#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_event_t output_event; /* Clear the objects. */ memset(&parser, 0, sizeof(parser)); memset(&emitter, 0, sizeof(emitter)); memset(&input_event, 0, sizeof(input_event)); memset(&output_event, 0, sizeof(output_event)); /* 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_stream_start_event_initialize(&output_event, YAML_UTF8_ENCODING)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Create and emit the DOCUMENT-START event. */ if (!yaml_document_start_event_initialize(&output_event, NULL, NULL, NULL, 0)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Create and emit the SEQUENCE-START event. */ if (!yaml_sequence_start_event_initialize(&output_event, NULL, "tag:yaml.org,2002:seq", 1, YAML_BLOCK_SEQUENCE_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Loop through the input events. */ while (!done) { /* 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 and emit a MAPPING-START event. */ if (!yaml_mapping_start_event_initialize(&output_event, NULL, "tag:yaml.org,2002:map", 1, YAML_BLOCK_MAPPING_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Analyze the event. */ switch (input_event.type) { case YAML_STREAM_START_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'STREAM-START'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "STREAM-START", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display encoding information. */ if (input_event.data.stream_start.encoding) { yaml_encoding_t encoding = input_event.data.stream_start.encoding; /* Write 'encoding'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "encoding", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the stream encoding. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", (encoding == YAML_UTF8_ENCODING ? "utf-8" : encoding == YAML_UTF16LE_ENCODING ? "utf-16-le" : encoding == YAML_UTF16BE_ENCODING ? "utf-16-be" : "unknown"), -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } break; case YAML_STREAM_END_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'STREAM-END'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "STREAM-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; break; case YAML_DOCUMENT_START_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'DOCUMENT-START'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "DOCUMENT-START", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display the 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]; /* Write 'version'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "version", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write '{'. */ if (!yaml_mapping_start_event_initialize(&output_event, NULL, "tag:yaml.org,2002:map", 1, YAML_FLOW_MAPPING_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'major'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "major", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write a number. */ sprintf(number, "%d", version->major); if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:int", number, -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'minor'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "minor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write a number. */ sprintf(number, "%d", version->minor); if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:int", number, -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write '}'. */ if (!yaml_mapping_end_event_initialize(&output_event)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Display the 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; /* Write 'tags'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "tags", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Start a block sequence. */ if (!yaml_sequence_start_event_initialize(&output_event, NULL, "tag:yaml.org,2002:seq", 1, YAML_BLOCK_SEQUENCE_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; for (tag = input_event.data.document_start.tag_directives.start; tag != input_event.data.document_start.tag_directives.end; tag ++) { /* Write '{'. */ if (!yaml_mapping_start_event_initialize(&output_event, NULL, "tag:yaml.org,2002:map", 1, YAML_FLOW_MAPPING_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'handle'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "handle", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the tag directive handle. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", tag->handle, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'prefix'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "prefix", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the tag directive prefix. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", tag->prefix, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write '}'. */ if (!yaml_mapping_end_event_initialize(&output_event)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* End a block sequence. */ if (!yaml_sequence_end_event_initialize(&output_event)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Write 'implicit'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write if the document is implicit. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:bool", (input_event.data.document_start.implicit ? "true" : "false"), -1, 1, 0, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; break; case YAML_DOCUMENT_END_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'DOCUMENT-END'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "DOCUMENT-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'implicit'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write if the document is implicit. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:bool", (input_event.data.document_end.implicit ? "true" : "false"), -1, 1, 0, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; break; case YAML_ALIAS_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'ALIAS'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "ALIAS", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'anchor'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the alias anchor. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.alias.anchor, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; break; case YAML_SCALAR_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'SCALAR'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "SCALAR", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display the scalar anchor. */ if (input_event.data.scalar.anchor) { /* Write 'anchor'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the scalar anchor. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.scalar.anchor, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Display the scalar tag. */ if (input_event.data.scalar.tag) { /* Write 'tag'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "tag", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the scalar tag. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.scalar.tag, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Display the scalar value. */ /* Write 'value'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "value", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the scalar value. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.scalar.value, input_event.data.scalar.length, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display if the scalar tag is implicit. */ /* Write 'implicit'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write '{'. */ if (!yaml_mapping_start_event_initialize(&output_event, NULL, "tag:yaml.org,2002:map", 1, YAML_FLOW_MAPPING_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'plain'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "plain", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write if the scalar is implicit in the plain style. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:bool", (input_event.data.scalar.plain_implicit ? "true" : "false"), -1, 1, 0, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'quoted'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "non-plain", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write if the scalar is implicit in a non-plain style. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:bool", (input_event.data.scalar.quoted_implicit ? "true" : "false"), -1, 1, 0, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write '}'. */ if (!yaml_mapping_end_event_initialize(&output_event)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display the style information. */ if (input_event.data.scalar.style) { yaml_scalar_style_t style = input_event.data.scalar.style; /* Write 'style'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "style", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the scalar style. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", (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, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } break; case YAML_SEQUENCE_START_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'SEQUENCE-START'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "SEQUENCE-START", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display the sequence anchor. */ if (input_event.data.sequence_start.anchor) { /* Write 'anchor'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the sequence anchor. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.sequence_start.anchor, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Display the sequence tag. */ if (input_event.data.sequence_start.tag) { /* Write 'tag'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "tag", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the sequence tag. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.sequence_start.tag, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Write 'implicit'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write if the sequence tag is implicit. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:bool", (input_event.data.sequence_start.implicit ? "true" : "false"), -1, 1, 0, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display the style information. */ if (input_event.data.sequence_start.style) { yaml_sequence_style_t style = input_event.data.sequence_start.style; /* Write 'style'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "style", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the scalar style. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", (style == YAML_BLOCK_SEQUENCE_STYLE ? "block" : style == YAML_FLOW_SEQUENCE_STYLE ? "flow" : "unknown"), -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } break; case YAML_SEQUENCE_END_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'SEQUENCE-END'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "SEQUENCE-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; break; case YAML_MAPPING_START_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'MAPPING-START'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "MAPPING-START", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display the mapping anchor. */ if (input_event.data.mapping_start.anchor) { /* Write 'anchor'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the mapping anchor. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.mapping_start.anchor, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Display the mapping tag. */ if (input_event.data.mapping_start.tag) { /* Write 'tag'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "tag", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the mapping tag. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", input_event.data.mapping_start.tag, -1, 0, 1, YAML_DOUBLE_QUOTED_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Write 'implicit'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write if the mapping tag is implicit. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:bool", (input_event.data.mapping_start.implicit ? "true" : "false"), -1, 1, 0, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Display the style information. */ if (input_event.data.mapping_start.style) { yaml_mapping_style_t style = input_event.data.mapping_start.style; /* Write 'style'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "style", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write the scalar style. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", (style == YAML_BLOCK_MAPPING_STYLE ? "block" : style == YAML_FLOW_MAPPING_STYLE ? "flow" : "unknown"), -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } break; case YAML_MAPPING_END_EVENT: /* Write 'type'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Write 'MAPPING-END'. */ if (!yaml_scalar_event_initialize(&output_event, NULL, "tag:yaml.org,2002:str", "MAPPING-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; break; default: /* It couldn't really happen. */ break; } /* Delete the event object. */ yaml_event_delete(&input_event); /* Create and emit a MAPPING-END event. */ if (!yaml_mapping_end_event_initialize(&output_event)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; } /* Create and emit the SEQUENCE-END event. */ if (!yaml_sequence_end_event_initialize(&output_event)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Create and emit the DOCUMENT-END event. */ if (!yaml_document_end_event_initialize(&output_event, 0)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) goto emitter_error; /* Create and emit the STREAM-END event. */ if (!yaml_stream_end_event_initialize(&output_event)) goto event_error; if (!yaml_emitter_emit(&emitter, &output_event)) 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_event_delete(&output_event); 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_event_delete(&output_event); yaml_parser_delete(&parser); yaml_emitter_delete(&emitter); return 1; event_error: fprintf(stderr, "Memory error: Not enough memory for creating an event\n"); yaml_event_delete(&input_event); yaml_event_delete(&output_event); yaml_parser_delete(&parser); yaml_emitter_delete(&emitter); return 1; }