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authorMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
committerMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
commita031b83a09a8628435317a03f199cdc18b78262f (patch)
treebc017a96769ce6de33745b8b0b1304ccf38e9df0 /vendor/gopkg.in/yaml.v2/writerc.go
parent2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff)
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Initial checkin from CRI-O repo
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Diffstat (limited to 'vendor/gopkg.in/yaml.v2/writerc.go')
-rw-r--r--vendor/gopkg.in/yaml.v2/writerc.go89
1 files changed, 89 insertions, 0 deletions
diff --git a/vendor/gopkg.in/yaml.v2/writerc.go b/vendor/gopkg.in/yaml.v2/writerc.go
new file mode 100644
index 000000000..190362f25
--- /dev/null
+++ b/vendor/gopkg.in/yaml.v2/writerc.go
@@ -0,0 +1,89 @@
+package yaml
+
+// Set the writer error and return false.
+func yaml_emitter_set_writer_error(emitter *yaml_emitter_t, problem string) bool {
+ emitter.error = yaml_WRITER_ERROR
+ emitter.problem = problem
+ return false
+}
+
+// Flush the output buffer.
+func yaml_emitter_flush(emitter *yaml_emitter_t) bool {
+ if emitter.write_handler == nil {
+ panic("write handler not set")
+ }
+
+ // Check if the buffer is empty.
+ if emitter.buffer_pos == 0 {
+ return true
+ }
+
+ // If the output encoding is UTF-8, we don't need to recode the buffer.
+ if emitter.encoding == yaml_UTF8_ENCODING {
+ if err := emitter.write_handler(emitter, emitter.buffer[:emitter.buffer_pos]); err != nil {
+ return yaml_emitter_set_writer_error(emitter, "write error: "+err.Error())
+ }
+ emitter.buffer_pos = 0
+ return true
+ }
+
+ // Recode the buffer into the raw buffer.
+ var low, high int
+ if emitter.encoding == yaml_UTF16LE_ENCODING {
+ low, high = 0, 1
+ } else {
+ high, low = 1, 0
+ }
+
+ pos := 0
+ for pos < emitter.buffer_pos {
+ // 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[pos]
+
+ var w int
+ var value rune
+ switch {
+ case octet&0x80 == 0x00:
+ w, value = 1, rune(octet&0x7F)
+ case octet&0xE0 == 0xC0:
+ w, value = 2, rune(octet&0x1F)
+ case octet&0xF0 == 0xE0:
+ w, value = 3, rune(octet&0x0F)
+ case octet&0xF8 == 0xF0:
+ w, value = 4, rune(octet&0x07)
+ }
+ for k := 1; k < w; k++ {
+ octet = emitter.buffer[pos+k]
+ value = (value << 6) + (rune(octet) & 0x3F)
+ }
+ pos += w
+
+ // Write the character.
+ if value < 0x10000 {
+ var b [2]byte
+ b[high] = byte(value >> 8)
+ b[low] = byte(value & 0xFF)
+ emitter.raw_buffer = append(emitter.raw_buffer, b[0], b[1])
+ } else {
+ // Write the character using a surrogate pair (check "reader.c").
+ var b [4]byte
+ value -= 0x10000
+ b[high] = byte(0xD8 + (value >> 18))
+ b[low] = byte((value >> 10) & 0xFF)
+ b[high+2] = byte(0xDC + ((value >> 8) & 0xFF))
+ b[low+2] = byte(value & 0xFF)
+ emitter.raw_buffer = append(emitter.raw_buffer, b[0], b[1], b[2], b[3])
+ }
+ }
+
+ // Write the raw buffer.
+ if err := emitter.write_handler(emitter, emitter.raw_buffer); err != nil {
+ return yaml_emitter_set_writer_error(emitter, "write error: "+err.Error())
+ }
+ emitter.buffer_pos = 0
+ emitter.raw_buffer = emitter.raw_buffer[:0]
+ return true
+}