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authorAnthon van der Neut <anthon@mnt.org>2019-07-25 23:29:34 +0200
committerAnthon van der Neut <anthon@mnt.org>2019-07-25 23:29:34 +0200
commit7d50ad630dc3c4efff391008f3cd3cdd250cbacd (patch)
tree278e918166fc42fcf2dad4e5d639eb539e1598e6 /ext/writer.c
parent83b2bbba61d2ada9911dc1d07a121b141c6857ef (diff)
downloadruamel.yaml-7d50ad630dc3c4efff391008f3cd3cdd250cbacd.tar.gz
split off C library into separate package0.16.0
Diffstat (limited to 'ext/writer.c')
-rw-r--r--ext/writer.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/ext/writer.c b/ext/writer.c
deleted file mode 100644
index 964973e..0000000
--- a/ext/writer.c
+++ /dev/null
@@ -1,140 +0,0 @@
-
-#include "yaml_private.h"
-
-/*
- * Declarations.
- */
-
-static int
-yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem);
-
-YAML_DECLARE(int)
-yaml_emitter_flush(yaml_emitter_t *emitter);
-
-/*
- * Set the writer error and return 0.
- */
-
-static int
-yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem)
-{
- emitter->error = YAML_WRITER_ERROR;
- emitter->problem = problem;
-
- return 0;
-}
-
-/*
- * Flush the output buffer.
- */
-
-YAML_DECLARE(int)
-yaml_emitter_flush(yaml_emitter_t *emitter)
-{
- int low, high;
-
- assert(emitter); /* Non-NULL emitter object is expected. */
- assert(emitter->write_handler); /* Write handler must be set. */
- assert(emitter->encoding); /* Output encoding must be set. */
-
- emitter->buffer.last = emitter->buffer.pointer;
- emitter->buffer.pointer = emitter->buffer.start;
-
- /* Check if the buffer is empty. */
-
- if (emitter->buffer.start == emitter->buffer.last) {
- return 1;
- }
-
- /* If the output encoding is UTF-8, we don't need to recode the buffer. */
-
- if (emitter->encoding == YAML_UTF8_ENCODING)
- {
- if (emitter->write_handler(emitter->write_handler_data,
- emitter->buffer.start,
- emitter->buffer.last - emitter->buffer.start)) {
- emitter->buffer.last = emitter->buffer.start;
- emitter->buffer.pointer = emitter->buffer.start;
- return 1;
- }
- else {
- return yaml_emitter_set_writer_error(emitter, "write error");
- }
- }
-
- /* Recode the buffer into the raw buffer. */
-
- low = (emitter->encoding == YAML_UTF16LE_ENCODING ? 0 : 1);
- high = (emitter->encoding == YAML_UTF16LE_ENCODING ? 1 : 0);
-
- while (emitter->buffer.pointer != emitter->buffer.last)
- {
- unsigned char octet;
- unsigned int width;
- unsigned int value;
- size_t k;
-
- /*
- * See the "reader.c" code for more details on UTF-8 encoding. Note
- * that we assume that the buffer contains a valid UTF-8 sequence.
- */
-
- /* Read the next UTF-8 character. */
-
- octet = emitter->buffer.pointer[0];
-
- width = (octet & 0x80) == 0x00 ? 1 :
- (octet & 0xE0) == 0xC0 ? 2 :
- (octet & 0xF0) == 0xE0 ? 3 :
- (octet & 0xF8) == 0xF0 ? 4 : 0;
-
- value = (octet & 0x80) == 0x00 ? octet & 0x7F :
- (octet & 0xE0) == 0xC0 ? octet & 0x1F :
- (octet & 0xF0) == 0xE0 ? octet & 0x0F :
- (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
-
- for (k = 1; k < width; k ++) {
- octet = emitter->buffer.pointer[k];
- value = (value << 6) + (octet & 0x3F);
- }
-
- emitter->buffer.pointer += width;
-
- /* Write the character. */
-
- if (value < 0x10000)
- {
- emitter->raw_buffer.last[high] = value >> 8;
- emitter->raw_buffer.last[low] = value & 0xFF;
-
- emitter->raw_buffer.last += 2;
- }
- else
- {
- /* Write the character using a surrogate pair (check "reader.c"). */
-
- value -= 0x10000;
- emitter->raw_buffer.last[high] = 0xD8 + (value >> 18);
- emitter->raw_buffer.last[low] = (value >> 10) & 0xFF;
- emitter->raw_buffer.last[high+2] = 0xDC + ((value >> 8) & 0xFF);
- emitter->raw_buffer.last[low+2] = value & 0xFF;
-
- emitter->raw_buffer.last += 4;
- }
- }
-
- /* Write the raw buffer. */
-
- if (emitter->write_handler(emitter->write_handler_data,
- emitter->raw_buffer.start,
- emitter->raw_buffer.last - emitter->raw_buffer.start)) {
- emitter->buffer.last = emitter->buffer.start;
- emitter->buffer.pointer = emitter->buffer.start;
- emitter->raw_buffer.last = emitter->raw_buffer.start;
- emitter->raw_buffer.pointer = emitter->raw_buffer.start;
- return 1;
- }
- else {
- return yaml_emitter_set_writer_error(emitter, "write error");
- }
-}