diff options
Diffstat (limited to 'debian/vendor-h2o/deps/yaml/src/dumper.c')
-rw-r--r-- | debian/vendor-h2o/deps/yaml/src/dumper.c | 394 |
1 files changed, 0 insertions, 394 deletions
diff --git a/debian/vendor-h2o/deps/yaml/src/dumper.c b/debian/vendor-h2o/deps/yaml/src/dumper.c deleted file mode 100644 index 203c6a7..0000000 --- a/debian/vendor-h2o/deps/yaml/src/dumper.c +++ /dev/null @@ -1,394 +0,0 @@ - -#include "yaml_private.h" - -/* - * API functions. - */ - -YAML_DECLARE(int) -yaml_emitter_open(yaml_emitter_t *emitter); - -YAML_DECLARE(int) -yaml_emitter_close(yaml_emitter_t *emitter); - -YAML_DECLARE(int) -yaml_emitter_dump(yaml_emitter_t *emitter, yaml_document_t *document); - -/* - * Clean up functions. - */ - -static void -yaml_emitter_delete_document_and_anchors(yaml_emitter_t *emitter); - -/* - * Anchor functions. - */ - -static void -yaml_emitter_anchor_node(yaml_emitter_t *emitter, int index); - -static yaml_char_t * -yaml_emitter_generate_anchor(yaml_emitter_t *emitter, int anchor_id); - - -/* - * Serialize functions. - */ - -static int -yaml_emitter_dump_node(yaml_emitter_t *emitter, int index); - -static int -yaml_emitter_dump_alias(yaml_emitter_t *emitter, yaml_char_t *anchor); - -static int -yaml_emitter_dump_scalar(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor); - -static int -yaml_emitter_dump_sequence(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor); - -static int -yaml_emitter_dump_mapping(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor); - -/* - * Issue a STREAM-START event. - */ - -YAML_DECLARE(int) -yaml_emitter_open(yaml_emitter_t *emitter) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - assert(emitter); /* Non-NULL emitter object is required. */ - assert(!emitter->opened); /* Emitter should not be opened yet. */ - - STREAM_START_EVENT_INIT(event, YAML_ANY_ENCODING, mark, mark); - - if (!yaml_emitter_emit(emitter, &event)) { - return 0; - } - - emitter->opened = 1; - - return 1; -} - -/* - * Issue a STREAM-END event. - */ - -YAML_DECLARE(int) -yaml_emitter_close(yaml_emitter_t *emitter) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - assert(emitter); /* Non-NULL emitter object is required. */ - assert(emitter->opened); /* Emitter should be opened. */ - - if (emitter->closed) return 1; - - STREAM_END_EVENT_INIT(event, mark, mark); - - if (!yaml_emitter_emit(emitter, &event)) { - return 0; - } - - emitter->closed = 1; - - return 1; -} - -/* - * Dump a YAML document. - */ - -YAML_DECLARE(int) -yaml_emitter_dump(yaml_emitter_t *emitter, yaml_document_t *document) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - assert(emitter); /* Non-NULL emitter object is required. */ - assert(document); /* Non-NULL emitter object is expected. */ - - emitter->document = document; - - if (!emitter->opened) { - if (!yaml_emitter_open(emitter)) goto error; - } - - if (STACK_EMPTY(emitter, document->nodes)) { - if (!yaml_emitter_close(emitter)) goto error; - yaml_emitter_delete_document_and_anchors(emitter); - return 1; - } - - assert(emitter->opened); /* Emitter should be opened. */ - - emitter->anchors = yaml_malloc(sizeof(*(emitter->anchors)) - * (document->nodes.top - document->nodes.start)); - if (!emitter->anchors) goto error; - memset(emitter->anchors, 0, sizeof(*(emitter->anchors)) - * (document->nodes.top - document->nodes.start)); - - DOCUMENT_START_EVENT_INIT(event, document->version_directive, - document->tag_directives.start, document->tag_directives.end, - document->start_implicit, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) goto error; - - yaml_emitter_anchor_node(emitter, 1); - if (!yaml_emitter_dump_node(emitter, 1)) goto error; - - DOCUMENT_END_EVENT_INIT(event, document->end_implicit, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) goto error; - - yaml_emitter_delete_document_and_anchors(emitter); - - return 1; - -error: - - yaml_emitter_delete_document_and_anchors(emitter); - - return 0; -} - -/* - * Clean up the emitter object after a document is dumped. - */ - -static void -yaml_emitter_delete_document_and_anchors(yaml_emitter_t *emitter) -{ - int index; - - if (!emitter->anchors) { - yaml_document_delete(emitter->document); - emitter->document = NULL; - return; - } - - for (index = 0; emitter->document->nodes.start + index - < emitter->document->nodes.top; index ++) { - yaml_node_t node = emitter->document->nodes.start[index]; - if (!emitter->anchors[index].serialized) { - yaml_free(node.tag); - if (node.type == YAML_SCALAR_NODE) { - yaml_free(node.data.scalar.value); - } - } - if (node.type == YAML_SEQUENCE_NODE) { - STACK_DEL(emitter, node.data.sequence.items); - } - if (node.type == YAML_MAPPING_NODE) { - STACK_DEL(emitter, node.data.mapping.pairs); - } - } - - STACK_DEL(emitter, emitter->document->nodes); - yaml_free(emitter->anchors); - - emitter->anchors = NULL; - emitter->last_anchor_id = 0; - emitter->document = NULL; -} - -/* - * Check the references of a node and assign the anchor id if needed. - */ - -static void -yaml_emitter_anchor_node(yaml_emitter_t *emitter, int index) -{ - yaml_node_t *node = emitter->document->nodes.start + index - 1; - yaml_node_item_t *item; - yaml_node_pair_t *pair; - - emitter->anchors[index-1].references ++; - - if (emitter->anchors[index-1].references == 1) { - switch (node->type) { - case YAML_SEQUENCE_NODE: - for (item = node->data.sequence.items.start; - item < node->data.sequence.items.top; item ++) { - yaml_emitter_anchor_node(emitter, *item); - } - break; - case YAML_MAPPING_NODE: - for (pair = node->data.mapping.pairs.start; - pair < node->data.mapping.pairs.top; pair ++) { - yaml_emitter_anchor_node(emitter, pair->key); - yaml_emitter_anchor_node(emitter, pair->value); - } - break; - default: - break; - } - } - - else if (emitter->anchors[index-1].references == 2) { - emitter->anchors[index-1].anchor = (++ emitter->last_anchor_id); - } -} - -/* - * Generate a textual representation for an anchor. - */ - -#define ANCHOR_TEMPLATE "id%03d" -#define ANCHOR_TEMPLATE_LENGTH 16 - -static yaml_char_t * -yaml_emitter_generate_anchor(yaml_emitter_t *emitter, int anchor_id) -{ - yaml_char_t *anchor = yaml_malloc(ANCHOR_TEMPLATE_LENGTH); - - if (!anchor) return NULL; - - sprintf((char *)anchor, ANCHOR_TEMPLATE, anchor_id); - - return anchor; -} - -/* - * Serialize a node. - */ - -static int -yaml_emitter_dump_node(yaml_emitter_t *emitter, int index) -{ - yaml_node_t *node = emitter->document->nodes.start + index - 1; - int anchor_id = emitter->anchors[index-1].anchor; - yaml_char_t *anchor = NULL; - - if (anchor_id) { - anchor = yaml_emitter_generate_anchor(emitter, anchor_id); - if (!anchor) return 0; - } - - if (emitter->anchors[index-1].serialized) { - return yaml_emitter_dump_alias(emitter, anchor); - } - - emitter->anchors[index-1].serialized = 1; - - switch (node->type) { - case YAML_SCALAR_NODE: - return yaml_emitter_dump_scalar(emitter, node, anchor); - case YAML_SEQUENCE_NODE: - return yaml_emitter_dump_sequence(emitter, node, anchor); - case YAML_MAPPING_NODE: - return yaml_emitter_dump_mapping(emitter, node, anchor); - default: - assert(0); /* Could not happen. */ - break; - } - - return 0; /* Could not happen. */ -} - -/* - * Serialize an alias. - */ - -static int -yaml_emitter_dump_alias(yaml_emitter_t *emitter, yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - ALIAS_EVENT_INIT(event, anchor, mark, mark); - - return yaml_emitter_emit(emitter, &event); -} - -/* - * Serialize a scalar. - */ - -static int -yaml_emitter_dump_scalar(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - int plain_implicit = (strcmp((char *)node->tag, - YAML_DEFAULT_SCALAR_TAG) == 0); - int quoted_implicit = (strcmp((char *)node->tag, - YAML_DEFAULT_SCALAR_TAG) == 0); - - SCALAR_EVENT_INIT(event, anchor, node->tag, node->data.scalar.value, - node->data.scalar.length, plain_implicit, quoted_implicit, - node->data.scalar.style, mark, mark); - - return yaml_emitter_emit(emitter, &event); -} - -/* - * Serialize a sequence. - */ - -static int -yaml_emitter_dump_sequence(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - int implicit = (strcmp((char *)node->tag, YAML_DEFAULT_SEQUENCE_TAG) == 0); - - yaml_node_item_t *item; - - SEQUENCE_START_EVENT_INIT(event, anchor, node->tag, implicit, - node->data.sequence.style, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - for (item = node->data.sequence.items.start; - item < node->data.sequence.items.top; item ++) { - if (!yaml_emitter_dump_node(emitter, *item)) return 0; - } - - SEQUENCE_END_EVENT_INIT(event, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - return 1; -} - -/* - * Serialize a mapping. - */ - -static int -yaml_emitter_dump_mapping(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - int implicit = (strcmp((char *)node->tag, YAML_DEFAULT_MAPPING_TAG) == 0); - - yaml_node_pair_t *pair; - - MAPPING_START_EVENT_INIT(event, anchor, node->tag, implicit, - node->data.mapping.style, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - for (pair = node->data.mapping.pairs.start; - pair < node->data.mapping.pairs.top; pair ++) { - if (!yaml_emitter_dump_node(emitter, pair->key)) return 0; - if (!yaml_emitter_dump_node(emitter, pair->value)) return 0; - } - - MAPPING_END_EVENT_INIT(event, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - return 1; -} - |