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-rw-r--r--ext/psych/yaml/dumper.c394
1 files changed, 0 insertions, 394 deletions
diff --git a/ext/psych/yaml/dumper.c b/ext/psych/yaml/dumper.c
deleted file mode 100644
index 1fe940b674..0000000000
--- a/ext/psych/yaml/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_anchors_t*)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(SHIM(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;
-}
-