Optimize encode/decode URI for valid UTF-8 input.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg@inf.u-szeged.hu
2015-07-06 23:40:57 -07:00
parent d1a5f7fc87
commit 06b4490ea1
3 changed files with 119 additions and 185 deletions
@@ -47,6 +47,7 @@
 #define LIT_UTF8_2_BYTE_MARKER (0xC0)
 #define LIT_UTF8_3_BYTE_MARKER (0xE0)
 #define LIT_UTF8_4_BYTE_MARKER (0xF0)
+#define LIT_UTF8_5_BYTE_MARKER (0xF8)
 #define LIT_UTF8_EXTRA_BYTE_MARKER (0x80)

 #define LIT_UTF8_1_BYTE_MASK (0x80)
@@ -83,6 +84,11 @@
 */
 #define LIT_ITERATOR_OFFSET_MASK ((1ull << LIT_ITERATOR_OFFSET_WIDTH) - 1)

+/**
+ * Byte values >= LIT_UTF8_FIRST_BYTE_MAX are not allowed in internal strings
+ */
+#define LIT_UTF8_FIRST_BYTE_MAX LIT_UTF8_5_BYTE_MARKER
+
 /**
 * Represents position of the iterator
 */