[898] | 1 | |
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| 2 | #include <yaml.h> |
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| 3 | |
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| 4 | #include <stdlib.h> |
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| 5 | #include <stdio.h> |
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| 6 | |
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| 7 | int |
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| 8 | main(int argc, char *argv[]) |
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| 9 | { |
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| 10 | int help = 0; |
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| 11 | int canonical = 0; |
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| 12 | int unicode = 0; |
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| 13 | int k; |
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| 14 | int done = 0; |
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| 15 | |
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| 16 | yaml_parser_t parser; |
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| 17 | yaml_emitter_t emitter; |
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| 18 | yaml_event_t input_event; |
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| 19 | yaml_document_t output_document; |
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| 20 | |
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| 21 | int root; |
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| 22 | |
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| 23 | /* Clear the objects. */ |
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| 24 | |
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| 25 | memset(&parser, 0, sizeof(parser)); |
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| 26 | memset(&emitter, 0, sizeof(emitter)); |
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| 27 | memset(&input_event, 0, sizeof(input_event)); |
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| 28 | memset(&output_document, 0, sizeof(output_document)); |
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| 29 | |
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| 30 | /* Analyze command line options. */ |
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| 31 | |
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| 32 | for (k = 1; k < argc; k ++) |
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| 33 | { |
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| 34 | if (strcmp(argv[k], "-h") == 0 |
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| 35 | || strcmp(argv[k], "--help") == 0) { |
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| 36 | help = 1; |
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| 37 | } |
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| 38 | |
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| 39 | else if (strcmp(argv[k], "-c") == 0 |
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| 40 | || strcmp(argv[k], "--canonical") == 0) { |
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| 41 | canonical = 1; |
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| 42 | } |
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| 43 | |
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| 44 | else if (strcmp(argv[k], "-u") == 0 |
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| 45 | || strcmp(argv[k], "--unicode") == 0) { |
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| 46 | unicode = 1; |
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| 47 | } |
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| 48 | |
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| 49 | else { |
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| 50 | fprintf(stderr, "Unrecognized option: %s\n" |
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| 51 | "Try `%s --help` for more information.\n", |
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| 52 | argv[k], argv[0]); |
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| 53 | return 1; |
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| 54 | } |
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| 55 | } |
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| 56 | |
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| 57 | /* Display the help string. */ |
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| 58 | |
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| 59 | if (help) |
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| 60 | { |
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| 61 | printf("%s <input\n" |
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| 62 | "or\n%s -h | --help\nDeconstruct a YAML stream\n\nOptions:\n" |
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| 63 | "-h, --help\t\tdisplay this help and exit\n" |
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| 64 | "-c, --canonical\t\toutput in the canonical YAML format\n" |
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| 65 | "-u, --unicode\t\toutput unescaped non-ASCII characters\n", |
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| 66 | argv[0], argv[0]); |
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| 67 | return 0; |
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| 68 | } |
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| 69 | |
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| 70 | /* Initialize the parser and emitter objects. */ |
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| 71 | |
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| 72 | if (!yaml_parser_initialize(&parser)) { |
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| 73 | fprintf(stderr, "Could not initialize the parser object\n"); |
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| 74 | return 1; |
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| 75 | } |
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| 76 | |
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| 77 | if (!yaml_emitter_initialize(&emitter)) { |
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| 78 | yaml_parser_delete(&parser); |
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| 79 | fprintf(stderr, "Could not inialize the emitter object\n"); |
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| 80 | return 1; |
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| 81 | } |
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| 82 | |
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| 83 | /* Set the parser parameters. */ |
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| 84 | |
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| 85 | yaml_parser_set_input_file(&parser, stdin); |
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| 86 | |
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| 87 | /* Set the emitter parameters. */ |
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| 88 | |
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| 89 | yaml_emitter_set_output_file(&emitter, stdout); |
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| 90 | |
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| 91 | yaml_emitter_set_canonical(&emitter, canonical); |
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| 92 | yaml_emitter_set_unicode(&emitter, unicode); |
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| 93 | |
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| 94 | /* Create and emit the STREAM-START event. */ |
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| 95 | |
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| 96 | if (!yaml_emitter_open(&emitter)) |
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| 97 | goto emitter_error; |
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| 98 | |
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| 99 | /* Create a output_document object. */ |
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| 100 | |
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| 101 | if (!yaml_document_initialize(&output_document, NULL, NULL, NULL, 0, 0)) |
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| 102 | goto document_error; |
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| 103 | |
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| 104 | /* Create the root sequence. */ |
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| 105 | |
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| 106 | root = yaml_document_add_sequence(&output_document, NULL, |
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| 107 | YAML_BLOCK_SEQUENCE_STYLE); |
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| 108 | if (!root) goto document_error; |
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| 109 | |
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| 110 | /* Loop through the input events. */ |
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| 111 | |
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| 112 | while (!done) |
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| 113 | { |
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| 114 | int properties, key, value, map, seq; |
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| 115 | |
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| 116 | /* Get the next event. */ |
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| 117 | |
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| 118 | if (!yaml_parser_parse(&parser, &input_event)) |
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| 119 | goto parser_error; |
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| 120 | |
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| 121 | /* Check if this is the stream end. */ |
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| 122 | |
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| 123 | if (input_event.type == YAML_STREAM_END_EVENT) { |
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| 124 | done = 1; |
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| 125 | } |
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| 126 | |
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| 127 | /* Create a mapping node and attach it to the root sequence. */ |
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| 128 | |
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| 129 | properties = yaml_document_add_mapping(&output_document, NULL, |
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| 130 | YAML_BLOCK_MAPPING_STYLE); |
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| 131 | if (!properties) goto document_error; |
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| 132 | if (!yaml_document_append_sequence_item(&output_document, |
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| 133 | root, properties)) goto document_error; |
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| 134 | |
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| 135 | /* Analyze the event. */ |
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| 136 | |
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| 137 | switch (input_event.type) |
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| 138 | { |
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| 139 | case YAML_STREAM_START_EVENT: |
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| 140 | |
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| 141 | /* Add 'type': 'STREAM-START'. */ |
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| 142 | |
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| 143 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 144 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 145 | if (!key) goto document_error; |
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| 146 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 147 | "STREAM-START", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 148 | if (!value) goto document_error; |
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| 149 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 150 | properties, key, value)) goto document_error; |
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| 151 | |
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| 152 | /* Add 'encoding': <encoding>. */ |
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| 153 | |
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| 154 | if (input_event.data.stream_start.encoding) |
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| 155 | { |
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| 156 | yaml_encoding_t encoding |
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| 157 | = input_event.data.stream_start.encoding; |
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| 158 | |
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| 159 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 160 | "encoding", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 161 | if (!key) goto document_error; |
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| 162 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 163 | (encoding == YAML_UTF8_ENCODING ? "utf-8" : |
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| 164 | encoding == YAML_UTF16LE_ENCODING ? "utf-16-le" : |
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| 165 | encoding == YAML_UTF16BE_ENCODING ? "utf-16-be" : |
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| 166 | "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); |
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| 167 | if (!value) goto document_error; |
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| 168 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 169 | properties, key, value)) goto document_error; |
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| 170 | } |
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| 171 | |
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| 172 | break; |
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| 173 | |
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| 174 | case YAML_STREAM_END_EVENT: |
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| 175 | |
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| 176 | /* Add 'type': 'STREAM-END'. */ |
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| 177 | |
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| 178 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 179 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 180 | if (!key) goto document_error; |
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| 181 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 182 | "STREAM-END", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 183 | if (!value) goto document_error; |
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| 184 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 185 | properties, key, value)) goto document_error; |
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| 186 | |
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| 187 | break; |
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| 188 | |
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| 189 | case YAML_DOCUMENT_START_EVENT: |
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| 190 | |
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| 191 | /* Add 'type': 'DOCUMENT-START'. */ |
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| 192 | |
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| 193 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 194 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 195 | if (!key) goto document_error; |
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| 196 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 197 | "DOCUMENT-START", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 198 | if (!value) goto document_error; |
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| 199 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 200 | properties, key, value)) goto document_error; |
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| 201 | |
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| 202 | /* Display the output_document version numbers. */ |
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| 203 | |
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| 204 | if (input_event.data.document_start.version_directive) |
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| 205 | { |
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| 206 | yaml_version_directive_t *version |
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| 207 | = input_event.data.document_start.version_directive; |
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| 208 | char number[64]; |
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| 209 | |
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| 210 | /* Add 'version': {}. */ |
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| 211 | |
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| 212 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 213 | "version", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 214 | if (!key) goto document_error; |
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| 215 | map = yaml_document_add_mapping(&output_document, NULL, |
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| 216 | YAML_FLOW_MAPPING_STYLE); |
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| 217 | if (!map) goto document_error; |
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| 218 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 219 | properties, key, map)) goto document_error; |
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| 220 | |
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| 221 | /* Add 'major': <number>. */ |
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| 222 | |
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| 223 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 224 | "major", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 225 | if (!key) goto document_error; |
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| 226 | sprintf(number, "%d", version->major); |
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| 227 | value = yaml_document_add_scalar(&output_document, YAML_INT_TAG, |
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| 228 | number, -1, YAML_PLAIN_SCALAR_STYLE); |
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| 229 | if (!value) goto document_error; |
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| 230 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 231 | map, key, value)) goto document_error; |
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| 232 | |
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| 233 | /* Add 'minor': <number>. */ |
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| 234 | |
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| 235 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 236 | "minor", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 237 | if (!key) goto document_error; |
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| 238 | sprintf(number, "%d", version->minor); |
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| 239 | value = yaml_document_add_scalar(&output_document, YAML_INT_TAG, |
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| 240 | number, -1, YAML_PLAIN_SCALAR_STYLE); |
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| 241 | if (!value) goto document_error; |
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| 242 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 243 | map, key, value)) goto document_error; |
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| 244 | } |
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| 245 | |
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| 246 | /* Display the output_document tag directives. */ |
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| 247 | |
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| 248 | if (input_event.data.document_start.tag_directives.start |
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| 249 | != input_event.data.document_start.tag_directives.end) |
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| 250 | { |
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| 251 | yaml_tag_directive_t *tag; |
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| 252 | |
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| 253 | /* Add 'tags': []. */ |
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| 254 | |
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| 255 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 256 | "tags", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 257 | if (!key) goto document_error; |
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| 258 | seq = yaml_document_add_sequence(&output_document, NULL, |
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| 259 | YAML_BLOCK_SEQUENCE_STYLE); |
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| 260 | if (!seq) goto document_error; |
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| 261 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 262 | properties, key, seq)) goto document_error; |
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| 263 | |
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| 264 | for (tag = input_event.data.document_start.tag_directives.start; |
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| 265 | tag != input_event.data.document_start.tag_directives.end; |
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| 266 | tag ++) |
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| 267 | { |
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| 268 | /* Add {}. */ |
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| 269 | |
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| 270 | map = yaml_document_add_mapping(&output_document, NULL, |
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| 271 | YAML_FLOW_MAPPING_STYLE); |
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| 272 | if (!map) goto document_error; |
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| 273 | if (!yaml_document_append_sequence_item(&output_document, |
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| 274 | seq, map)) goto document_error; |
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| 275 | |
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| 276 | /* Add 'handle': <handle>. */ |
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| 277 | |
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| 278 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 279 | "handle", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 280 | if (!key) goto document_error; |
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| 281 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 282 | tag->handle, -1, YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
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| 283 | if (!value) goto document_error; |
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| 284 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 285 | map, key, value)) goto document_error; |
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| 286 | |
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| 287 | /* Add 'prefix': <prefix>. */ |
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| 288 | |
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| 289 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 290 | "prefix", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 291 | if (!key) goto document_error; |
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| 292 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 293 | tag->prefix, -1, YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
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| 294 | if (!value) goto document_error; |
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| 295 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 296 | map, key, value)) goto document_error; |
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| 297 | } |
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| 298 | } |
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| 299 | |
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| 300 | /* Add 'implicit': <flag>. */ |
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| 301 | |
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| 302 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 303 | "implicit", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 304 | if (!key) goto document_error; |
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| 305 | value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, |
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| 306 | (input_event.data.document_start.implicit ? |
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| 307 | "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); |
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| 308 | if (!value) goto document_error; |
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| 309 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 310 | properties, key, value)) goto document_error; |
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| 311 | |
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| 312 | break; |
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| 313 | |
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| 314 | case YAML_DOCUMENT_END_EVENT: |
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| 315 | |
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| 316 | /* Add 'type': 'DOCUMENT-END'. */ |
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| 317 | |
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| 318 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 319 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 320 | if (!key) goto document_error; |
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| 321 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 322 | "DOCUMENT-END", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 323 | if (!value) goto document_error; |
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| 324 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 325 | properties, key, value)) goto document_error; |
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| 326 | |
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| 327 | /* Add 'implicit': <flag>. */ |
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| 328 | |
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| 329 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 330 | "implicit", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 331 | if (!key) goto document_error; |
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| 332 | value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, |
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| 333 | (input_event.data.document_end.implicit ? |
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| 334 | "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); |
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| 335 | if (!value) goto document_error; |
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| 336 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 337 | properties, key, value)) goto document_error; |
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| 338 | |
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| 339 | break; |
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| 340 | |
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| 341 | case YAML_ALIAS_EVENT: |
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| 342 | |
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| 343 | /* Add 'type': 'ALIAS'. */ |
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| 344 | |
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| 345 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 346 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 347 | if (!key) goto document_error; |
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| 348 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 349 | "ALIAS", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 350 | if (!value) goto document_error; |
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| 351 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 352 | properties, key, value)) goto document_error; |
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| 353 | |
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| 354 | /* Add 'anchor': <anchor>. */ |
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| 355 | |
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| 356 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 357 | "anchor", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 358 | if (!key) goto document_error; |
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| 359 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 360 | input_event.data.alias.anchor, -1, |
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| 361 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
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| 362 | if (!value) goto document_error; |
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| 363 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 364 | properties, key, value)) goto document_error; |
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| 365 | |
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| 366 | break; |
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| 367 | |
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| 368 | case YAML_SCALAR_EVENT: |
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| 369 | |
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| 370 | /* Add 'type': 'SCALAR'. */ |
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| 371 | |
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| 372 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 373 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 374 | if (!key) goto document_error; |
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| 375 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 376 | "SCALAR", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 377 | if (!value) goto document_error; |
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| 378 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 379 | properties, key, value)) goto document_error; |
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| 380 | |
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| 381 | /* Add 'anchor': <anchor>. */ |
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| 382 | |
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| 383 | if (input_event.data.scalar.anchor) |
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| 384 | { |
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| 385 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 386 | "anchor", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 387 | if (!key) goto document_error; |
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| 388 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 389 | input_event.data.scalar.anchor, -1, |
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| 390 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
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| 391 | if (!value) goto document_error; |
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| 392 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 393 | properties, key, value)) goto document_error; |
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| 394 | } |
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| 395 | |
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| 396 | /* Add 'tag': <tag>. */ |
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| 397 | |
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| 398 | if (input_event.data.scalar.tag) |
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| 399 | { |
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| 400 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 401 | "tag", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 402 | if (!key) goto document_error; |
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| 403 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 404 | input_event.data.scalar.tag, -1, |
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| 405 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
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| 406 | if (!value) goto document_error; |
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| 407 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 408 | properties, key, value)) goto document_error; |
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| 409 | } |
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| 410 | |
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| 411 | /* Add 'value': <value>. */ |
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| 412 | |
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| 413 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 414 | "value", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 415 | if (!key) goto document_error; |
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| 416 | value = yaml_document_add_scalar(&output_document, NULL, |
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| 417 | input_event.data.scalar.value, |
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| 418 | input_event.data.scalar.length, |
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| 419 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
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| 420 | if (!value) goto document_error; |
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| 421 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 422 | properties, key, value)) goto document_error; |
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| 423 | |
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| 424 | /* Display if the scalar tag is implicit. */ |
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| 425 | |
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| 426 | /* Add 'implicit': {} */ |
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| 427 | |
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| 428 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 429 | "version", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 430 | if (!key) goto document_error; |
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| 431 | map = yaml_document_add_mapping(&output_document, NULL, |
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| 432 | YAML_FLOW_MAPPING_STYLE); |
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| 433 | if (!map) goto document_error; |
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| 434 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 435 | properties, key, map)) goto document_error; |
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| 436 | |
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| 437 | /* Add 'plain': <flag>. */ |
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| 438 | |
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| 439 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 440 | "plain", -1, YAML_PLAIN_SCALAR_STYLE); |
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| 441 | if (!key) goto document_error; |
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| 442 | value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, |
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| 443 | (input_event.data.scalar.plain_implicit ? |
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| 444 | "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); |
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| 445 | if (!value) goto document_error; |
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| 446 | if (!yaml_document_append_mapping_pair(&output_document, |
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| 447 | map, key, value)) goto document_error; |
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| 448 | |
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| 449 | /* Add 'quoted': <flag>. */ |
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| 450 | |
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| 451 | key = yaml_document_add_scalar(&output_document, NULL, |
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| 452 | "quoted", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 453 | if (!key) goto document_error; |
---|
| 454 | value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, |
---|
| 455 | (input_event.data.scalar.quoted_implicit ? |
---|
| 456 | "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 457 | if (!value) goto document_error; |
---|
| 458 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 459 | map, key, value)) goto document_error; |
---|
| 460 | |
---|
| 461 | /* Display the style information. */ |
---|
| 462 | |
---|
| 463 | if (input_event.data.scalar.style) |
---|
| 464 | { |
---|
| 465 | yaml_scalar_style_t style = input_event.data.scalar.style; |
---|
| 466 | |
---|
| 467 | /* Add 'style': <style>. */ |
---|
| 468 | |
---|
| 469 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 470 | "style", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 471 | if (!key) goto document_error; |
---|
| 472 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 473 | (style == YAML_PLAIN_SCALAR_STYLE ? "plain" : |
---|
| 474 | style == YAML_SINGLE_QUOTED_SCALAR_STYLE ? |
---|
| 475 | "single-quoted" : |
---|
| 476 | style == YAML_DOUBLE_QUOTED_SCALAR_STYLE ? |
---|
| 477 | "double-quoted" : |
---|
| 478 | style == YAML_LITERAL_SCALAR_STYLE ? "literal" : |
---|
| 479 | style == YAML_FOLDED_SCALAR_STYLE ? "folded" : |
---|
| 480 | "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 481 | if (!value) goto document_error; |
---|
| 482 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 483 | properties, key, value)) goto document_error; |
---|
| 484 | } |
---|
| 485 | |
---|
| 486 | break; |
---|
| 487 | |
---|
| 488 | case YAML_SEQUENCE_START_EVENT: |
---|
| 489 | |
---|
| 490 | /* Add 'type': 'SEQUENCE-START'. */ |
---|
| 491 | |
---|
| 492 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 493 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 494 | if (!key) goto document_error; |
---|
| 495 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 496 | "SEQUENCE-START", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 497 | if (!value) goto document_error; |
---|
| 498 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 499 | properties, key, value)) goto document_error; |
---|
| 500 | |
---|
| 501 | /* Add 'anchor': <anchor>. */ |
---|
| 502 | |
---|
| 503 | if (input_event.data.sequence_start.anchor) |
---|
| 504 | { |
---|
| 505 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 506 | "anchor", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 507 | if (!key) goto document_error; |
---|
| 508 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 509 | input_event.data.sequence_start.anchor, -1, |
---|
| 510 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
---|
| 511 | if (!value) goto document_error; |
---|
| 512 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 513 | properties, key, value)) goto document_error; |
---|
| 514 | } |
---|
| 515 | |
---|
| 516 | /* Add 'tag': <tag>. */ |
---|
| 517 | |
---|
| 518 | if (input_event.data.sequence_start.tag) |
---|
| 519 | { |
---|
| 520 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 521 | "tag", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 522 | if (!key) goto document_error; |
---|
| 523 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 524 | input_event.data.sequence_start.tag, -1, |
---|
| 525 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
---|
| 526 | if (!value) goto document_error; |
---|
| 527 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 528 | properties, key, value)) goto document_error; |
---|
| 529 | } |
---|
| 530 | |
---|
| 531 | /* Add 'implicit': <flag>. */ |
---|
| 532 | |
---|
| 533 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 534 | "implicit", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 535 | if (!key) goto document_error; |
---|
| 536 | value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, |
---|
| 537 | (input_event.data.sequence_start.implicit ? |
---|
| 538 | "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 539 | if (!value) goto document_error; |
---|
| 540 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 541 | properties, key, value)) goto document_error; |
---|
| 542 | |
---|
| 543 | /* Display the style information. */ |
---|
| 544 | |
---|
| 545 | if (input_event.data.sequence_start.style) |
---|
| 546 | { |
---|
| 547 | yaml_sequence_style_t style |
---|
| 548 | = input_event.data.sequence_start.style; |
---|
| 549 | |
---|
| 550 | /* Add 'style': <style>. */ |
---|
| 551 | |
---|
| 552 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 553 | "style", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 554 | if (!key) goto document_error; |
---|
| 555 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 556 | (style == YAML_BLOCK_SEQUENCE_STYLE ? "block" : |
---|
| 557 | style == YAML_FLOW_SEQUENCE_STYLE ? "flow" : |
---|
| 558 | "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 559 | if (!value) goto document_error; |
---|
| 560 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 561 | properties, key, value)) goto document_error; |
---|
| 562 | } |
---|
| 563 | |
---|
| 564 | break; |
---|
| 565 | |
---|
| 566 | case YAML_SEQUENCE_END_EVENT: |
---|
| 567 | |
---|
| 568 | /* Add 'type': 'SEQUENCE-END'. */ |
---|
| 569 | |
---|
| 570 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 571 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 572 | if (!key) goto document_error; |
---|
| 573 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 574 | "SEQUENCE-END", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 575 | if (!value) goto document_error; |
---|
| 576 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 577 | properties, key, value)) goto document_error; |
---|
| 578 | |
---|
| 579 | break; |
---|
| 580 | |
---|
| 581 | case YAML_MAPPING_START_EVENT: |
---|
| 582 | |
---|
| 583 | /* Add 'type': 'MAPPING-START'. */ |
---|
| 584 | |
---|
| 585 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 586 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 587 | if (!key) goto document_error; |
---|
| 588 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 589 | "MAPPING-START", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 590 | if (!value) goto document_error; |
---|
| 591 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 592 | properties, key, value)) goto document_error; |
---|
| 593 | |
---|
| 594 | /* Add 'anchor': <anchor>. */ |
---|
| 595 | |
---|
| 596 | if (input_event.data.mapping_start.anchor) |
---|
| 597 | { |
---|
| 598 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 599 | "anchor", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 600 | if (!key) goto document_error; |
---|
| 601 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 602 | input_event.data.mapping_start.anchor, -1, |
---|
| 603 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
---|
| 604 | if (!value) goto document_error; |
---|
| 605 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 606 | properties, key, value)) goto document_error; |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | /* Add 'tag': <tag>. */ |
---|
| 610 | |
---|
| 611 | if (input_event.data.mapping_start.tag) |
---|
| 612 | { |
---|
| 613 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 614 | "tag", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 615 | if (!key) goto document_error; |
---|
| 616 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 617 | input_event.data.mapping_start.tag, -1, |
---|
| 618 | YAML_DOUBLE_QUOTED_SCALAR_STYLE); |
---|
| 619 | if (!value) goto document_error; |
---|
| 620 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 621 | properties, key, value)) goto document_error; |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | /* Add 'implicit': <flag>. */ |
---|
| 625 | |
---|
| 626 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 627 | "implicit", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 628 | if (!key) goto document_error; |
---|
| 629 | value = yaml_document_add_scalar(&output_document, YAML_BOOL_TAG, |
---|
| 630 | (input_event.data.mapping_start.implicit ? |
---|
| 631 | "true" : "false"), -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 632 | if (!value) goto document_error; |
---|
| 633 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 634 | properties, key, value)) goto document_error; |
---|
| 635 | |
---|
| 636 | /* Display the style information. */ |
---|
| 637 | |
---|
| 638 | if (input_event.data.sequence_start.style) |
---|
| 639 | { |
---|
| 640 | yaml_sequence_style_t style |
---|
| 641 | = input_event.data.mapping_start.style; |
---|
| 642 | |
---|
| 643 | /* Add 'style': <style>. */ |
---|
| 644 | |
---|
| 645 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 646 | "style", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 647 | if (!key) goto document_error; |
---|
| 648 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 649 | (style == YAML_BLOCK_MAPPING_STYLE ? "block" : |
---|
| 650 | style == YAML_FLOW_MAPPING_STYLE ? "flow" : |
---|
| 651 | "unknown"), -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 652 | if (!value) goto document_error; |
---|
| 653 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 654 | properties, key, value)) goto document_error; |
---|
| 655 | } |
---|
| 656 | |
---|
| 657 | break; |
---|
| 658 | |
---|
| 659 | case YAML_MAPPING_END_EVENT: |
---|
| 660 | |
---|
| 661 | /* Add 'type': 'MAPPING-END'. */ |
---|
| 662 | |
---|
| 663 | key = yaml_document_add_scalar(&output_document, NULL, |
---|
| 664 | "type", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 665 | if (!key) goto document_error; |
---|
| 666 | value = yaml_document_add_scalar(&output_document, NULL, |
---|
| 667 | "MAPPING-END", -1, YAML_PLAIN_SCALAR_STYLE); |
---|
| 668 | if (!value) goto document_error; |
---|
| 669 | if (!yaml_document_append_mapping_pair(&output_document, |
---|
| 670 | properties, key, value)) goto document_error; |
---|
| 671 | |
---|
| 672 | break; |
---|
| 673 | |
---|
| 674 | default: |
---|
| 675 | /* It couldn't really happen. */ |
---|
| 676 | break; |
---|
| 677 | } |
---|
| 678 | |
---|
| 679 | /* Delete the event object. */ |
---|
| 680 | |
---|
| 681 | yaml_event_delete(&input_event); |
---|
| 682 | } |
---|
| 683 | |
---|
| 684 | if (!yaml_emitter_dump(&emitter, &output_document)) |
---|
| 685 | goto emitter_error; |
---|
| 686 | if (!yaml_emitter_close(&emitter)) |
---|
| 687 | goto emitter_error; |
---|
| 688 | |
---|
| 689 | yaml_parser_delete(&parser); |
---|
| 690 | yaml_emitter_delete(&emitter); |
---|
| 691 | |
---|
| 692 | return 0; |
---|
| 693 | |
---|
| 694 | parser_error: |
---|
| 695 | |
---|
| 696 | /* Display a parser error message. */ |
---|
| 697 | |
---|
| 698 | switch (parser.error) |
---|
| 699 | { |
---|
| 700 | case YAML_MEMORY_ERROR: |
---|
| 701 | fprintf(stderr, "Memory error: Not enough memory for parsing\n"); |
---|
| 702 | break; |
---|
| 703 | |
---|
| 704 | case YAML_READER_ERROR: |
---|
| 705 | if (parser.problem_value != -1) { |
---|
| 706 | fprintf(stderr, "Reader error: %s: #%X at %d\n", parser.problem, |
---|
| 707 | parser.problem_value, parser.problem_offset); |
---|
| 708 | } |
---|
| 709 | else { |
---|
| 710 | fprintf(stderr, "Reader error: %s at %d\n", parser.problem, |
---|
| 711 | parser.problem_offset); |
---|
| 712 | } |
---|
| 713 | break; |
---|
| 714 | |
---|
| 715 | case YAML_SCANNER_ERROR: |
---|
| 716 | if (parser.context) { |
---|
| 717 | fprintf(stderr, "Scanner error: %s at line %d, column %d\n" |
---|
| 718 | "%s at line %d, column %d\n", parser.context, |
---|
| 719 | parser.context_mark.line+1, parser.context_mark.column+1, |
---|
| 720 | parser.problem, parser.problem_mark.line+1, |
---|
| 721 | parser.problem_mark.column+1); |
---|
| 722 | } |
---|
| 723 | else { |
---|
| 724 | fprintf(stderr, "Scanner error: %s at line %d, column %d\n", |
---|
| 725 | parser.problem, parser.problem_mark.line+1, |
---|
| 726 | parser.problem_mark.column+1); |
---|
| 727 | } |
---|
| 728 | break; |
---|
| 729 | |
---|
| 730 | case YAML_PARSER_ERROR: |
---|
| 731 | if (parser.context) { |
---|
| 732 | fprintf(stderr, "Parser error: %s at line %d, column %d\n" |
---|
| 733 | "%s at line %d, column %d\n", parser.context, |
---|
| 734 | parser.context_mark.line+1, parser.context_mark.column+1, |
---|
| 735 | parser.problem, parser.problem_mark.line+1, |
---|
| 736 | parser.problem_mark.column+1); |
---|
| 737 | } |
---|
| 738 | else { |
---|
| 739 | fprintf(stderr, "Parser error: %s at line %d, column %d\n", |
---|
| 740 | parser.problem, parser.problem_mark.line+1, |
---|
| 741 | parser.problem_mark.column+1); |
---|
| 742 | } |
---|
| 743 | break; |
---|
| 744 | |
---|
| 745 | default: |
---|
| 746 | /* Couldn't happen. */ |
---|
| 747 | fprintf(stderr, "Internal error\n"); |
---|
| 748 | break; |
---|
| 749 | } |
---|
| 750 | |
---|
| 751 | yaml_event_delete(&input_event); |
---|
| 752 | yaml_document_delete(&output_document); |
---|
| 753 | yaml_parser_delete(&parser); |
---|
| 754 | yaml_emitter_delete(&emitter); |
---|
| 755 | |
---|
| 756 | return 1; |
---|
| 757 | |
---|
| 758 | emitter_error: |
---|
| 759 | |
---|
| 760 | /* Display an emitter error message. */ |
---|
| 761 | |
---|
| 762 | switch (emitter.error) |
---|
| 763 | { |
---|
| 764 | case YAML_MEMORY_ERROR: |
---|
| 765 | fprintf(stderr, "Memory error: Not enough memory for emitting\n"); |
---|
| 766 | break; |
---|
| 767 | |
---|
| 768 | case YAML_WRITER_ERROR: |
---|
| 769 | fprintf(stderr, "Writer error: %s\n", emitter.problem); |
---|
| 770 | break; |
---|
| 771 | |
---|
| 772 | case YAML_EMITTER_ERROR: |
---|
| 773 | fprintf(stderr, "Emitter error: %s\n", emitter.problem); |
---|
| 774 | break; |
---|
| 775 | |
---|
| 776 | default: |
---|
| 777 | /* Couldn't happen. */ |
---|
| 778 | fprintf(stderr, "Internal error\n"); |
---|
| 779 | break; |
---|
| 780 | } |
---|
| 781 | |
---|
| 782 | yaml_event_delete(&input_event); |
---|
| 783 | yaml_document_delete(&output_document); |
---|
| 784 | yaml_parser_delete(&parser); |
---|
| 785 | yaml_emitter_delete(&emitter); |
---|
| 786 | |
---|
| 787 | return 1; |
---|
| 788 | |
---|
| 789 | document_error: |
---|
| 790 | |
---|
| 791 | fprintf(stderr, "Memory error: Not enough memory for creating a document\n"); |
---|
| 792 | |
---|
| 793 | yaml_event_delete(&input_event); |
---|
| 794 | yaml_document_delete(&output_document); |
---|
| 795 | yaml_parser_delete(&parser); |
---|
| 796 | yaml_emitter_delete(&emitter); |
---|
| 797 | |
---|
| 798 | return 1; |
---|
| 799 | } |
---|
| 800 | |
---|