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-rw-r--r--src/write.c223
1 files changed, 0 insertions, 223 deletions
diff --git a/src/write.c b/src/write.c
deleted file mode 100644
index ef10594b..00000000
--- a/src/write.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/* Serd, an RDF serialisation library.
- * Copyright 2011 David Robillard <d@drobilla.net>
- *
- * Serd is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Serd is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "serd/serd.h"
-
-struct SerdWriterImpl {
- SerdSyntax syntax;
- SerdNamespaces ns;
- SerdURI base_uri;
- SerdSink sink;
- void* stream;
-};
-
-static bool
-serd_write_ascii(SerdWriter writer, const uint8_t* utf8, size_t n_bytes, const uint8_t esc)
-{
- char escape[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
- for (size_t i = 0; i < n_bytes;) {
- uint8_t in = utf8[i++];
- switch (in) {
- case '\\': writer->sink("\\\\", 2, writer->stream); continue;
- case '\n': writer->sink("\\n", 2, writer->stream); continue;
- case '\r': writer->sink("\\r", 2, writer->stream); continue;
- case '\t': writer->sink("\\t", 2, writer->stream); continue;
- case '"': if (esc == '"') { writer->sink("\\\"", 2, writer->stream); continue; }
- default: break;
- }
-
- if (in == esc) {
- sprintf(escape, "\\u%04X", esc);
- writer->sink(escape, 6, writer->stream);
- continue;
- }
-
- uint32_t c = 0;
- size_t size = 0;
- if ((in & 0x80) == 0) { // Starts with `0'
- size = 1;
- c = in & 0x7F;
- if ((in >= 0x20) && (in <= 0x7E)) { // Printable ASCII
- writer->sink(&in, 1, writer->stream);
- continue;
- }
- } else if ((in & 0xE0) == 0xC0) { // Starts with `110'
- size = 2;
- c = in & 0x1F;
- } else if ((in & 0xF0) == 0xE0) { // Starts with `1110'
- size = 3;
- c = in & 0x0F;
- } else if ((in & 0xF8) == 0xF0) { // Starts with `11110'
- size = 4;
- c = in & 0x07;
- } else if ((in & 0xFC) == 0xF8) { // Starts with `111110'
- size = 5;
- c = in & 0x03;
- } else if ((in & 0xFE) == 0xFC) { // Starts with `1111110'
- size = 6;
- c = in & 0x01;
- } else {
- fprintf(stderr, "invalid UTF-8 at offset %zu: %X\n", i, in);
- return false;
- }
-
-#define READ_BYTE() do { \
- assert(i < n_bytes); \
- in = utf8[i++] & 0x3f; \
- c <<= 6; \
- c |= in; \
- } while (0)
-
- switch (size) {
- case 6: READ_BYTE();
- case 5: READ_BYTE();
- case 4: READ_BYTE();
- case 3: READ_BYTE();
- case 2: READ_BYTE();
- }
-
- if (c < 0xFFFF) {
- sprintf(escape, "\\u%04X", c);
- writer->sink(escape, 6, writer->stream);
- } else {
- sprintf(escape, "\\U%08X", c);
- writer->sink(escape, 10, writer->stream);
- }
- }
- return true;
-}
-
-static bool
-serd_write_node(SerdWriter writer,
- SerdNodeType type,
- const SerdString* str,
- const SerdString* datatype,
- const SerdString* lang)
-{
- const SerdURI* base_uri = &writer->base_uri;
- SerdNamespaces ns = writer->ns;
-
- SerdChunk uri_prefix;
- SerdChunk uri_suffix;
- switch (type) {
- case BLANK:
- writer->sink("_:", 2, writer->stream);
- writer->sink(str->buf, str->n_bytes - 1, writer->stream);
- break;
- case QNAME:
- if (!serd_namespaces_expand(ns, str, &uri_prefix, &uri_suffix)) {
- fprintf(stderr, "error: undefined namespace prefix `%s'\n", str->buf);
- return false;
- }
- writer->sink("<", 1, writer->stream);
- serd_write_ascii(writer, uri_prefix.buf, uri_prefix.len, '>');
- serd_write_ascii(writer, uri_suffix.buf, uri_suffix.len, '>');
- writer->sink(">", 1, writer->stream);
- break;
- case URI:
- if (!serd_uri_string_has_scheme(str->buf)) {
- SerdURI uri;
- if (serd_uri_parse(str->buf, &uri)) {
- SerdURI abs_uri;
- if (serd_uri_resolve(&uri, base_uri, &abs_uri)) {
- writer->sink("<", 1, writer->stream);
- serd_uri_serialise(&abs_uri, writer->sink, writer->stream);
- writer->sink(">", 1, writer->stream);
- return true;
- }
- }
- } else {
- writer->sink("<", 1, writer->stream);
- serd_write_ascii(writer, str->buf, str->n_bytes - 1, '>');
- writer->sink(">", 1, writer->stream);
- return true;
- }
- return false;
- case LITERAL:
- writer->sink("\"", 1, writer->stream);
- serd_write_ascii(writer, str->buf, str->n_bytes - 1, '"');
- writer->sink("\"", 1, writer->stream);
- if (lang) {
- writer->sink("@", 1, writer->stream);
- writer->sink(lang->buf, lang->n_bytes - 1, writer->stream);
- } else if (datatype) {
- writer->sink("^^", 2, writer->stream);
- serd_write_node(writer, URI, datatype, NULL, NULL);
- }
- break;
- }
- return true;
-}
-
-SERD_API
-bool
-serd_writer_write_statement(SerdWriter writer,
- const SerdString* graph,
- const SerdString* subject,
- SerdNodeType subject_type,
- const SerdString* predicate,
- SerdNodeType predicate_type,
- const SerdString* object,
- SerdNodeType object_type,
- const SerdString* object_datatype,
- const SerdString* object_lang)
-{
- serd_write_node(writer, subject_type, subject, NULL, NULL);
- writer->sink(" ", 1, writer->stream);
- serd_write_node(writer, predicate_type, predicate, NULL, NULL);
- writer->sink(" ", 1, writer->stream);
- serd_write_node(writer, object_type, object, object_datatype, object_lang);
- writer->sink(" .\n", 3, writer->stream);
- return true;
-}
-
-SERD_API
-SerdWriter
-serd_writer_new(SerdSyntax syntax,
- SerdNamespaces ns,
- const SerdURI* base_uri,
- SerdSink sink,
- void* stream)
-{
- SerdWriter writer = malloc(sizeof(struct SerdWriterImpl));
- writer->syntax = syntax;
- writer->ns = ns;
- writer->base_uri = *base_uri;
- writer->sink = sink;
- writer->stream = stream;
- return writer;
-}
-
-SERD_API
-void
-serd_writer_set_base_uri(SerdWriter writer,
- const SerdURI* uri)
-{
- writer->base_uri = *uri;
-}
-
-SERD_API
-void
-serd_writer_free(SerdWriter writer)
-{
- SerdWriter const me = (SerdWriter)writer;
- free(me);
-}
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