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Patch #1359618: Speed-up charmap encoder.

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This commit is contained in:
Martin v. Löwis 2006-06-04 19:36:28 +00:00
parent 67966bed72
commit 3f767795f6
51 changed files with 510 additions and 11516 deletions
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224
Lib/encodings/cp856.py
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@ -9,14 +9,14 @@ import codecs
class Codec(codecs.Codec):
def encode(self,input,errors='strict'):
return codecs.charmap_encode(input,errors,encoding_map)
return codecs.charmap_encode(input,errors,encoding_table)
def decode(self,input,errors='strict'):
return codecs.charmap_decode(input,errors,decoding_table)
class IncrementalEncoder(codecs.IncrementalEncoder):
def encode(self, input, final=False):
return codecs.charmap_encode(input,self.errors,encoding_map)[0]
return codecs.charmap_encode(input,self.errors,encoding_table)[0]
class IncrementalDecoder(codecs.IncrementalDecoder):
def decode(self, input, final=False):
@ -303,222 +303,6 @@ decoding_table = (
u'\xa0' # 0xFF -> NO-BREAK SPACE
)
### Encoding Map
### Encoding table
encoding_table=codecs.charmap_build(decoding_table)
encoding_map = {
0x0000: 0x00, # NULL
0x0001: 0x01, # START OF HEADING
0x0002: 0x02, # START OF TEXT
0x0003: 0x03, # END OF TEXT
0x0004: 0x04, # END OF TRANSMISSION
0x0005: 0x05, # ENQUIRY
0x0006: 0x06, # ACKNOWLEDGE
0x0007: 0x07, # BELL
0x0008: 0x08, # BACKSPACE
0x0009: 0x09, # HORIZONTAL TABULATION
0x000A: 0x0A, # LINE FEED
0x000B: 0x0B, # VERTICAL TABULATION
0x000C: 0x0C, # FORM FEED
0x000D: 0x0D, # CARRIAGE RETURN
0x000E: 0x0E, # SHIFT OUT
0x000F: 0x0F, # SHIFT IN
0x0010: 0x10, # DATA LINK ESCAPE
0x0011: 0x11, # DEVICE CONTROL ONE
0x0012: 0x12, # DEVICE CONTROL TWO
0x0013: 0x13, # DEVICE CONTROL THREE
0x0014: 0x14, # DEVICE CONTROL FOUR
0x0015: 0x15, # NEGATIVE ACKNOWLEDGE
0x0016: 0x16, # SYNCHRONOUS IDLE
0x0017: 0x17, # END OF TRANSMISSION BLOCK
0x0018: 0x18, # CANCEL
0x0019: 0x19, # END OF MEDIUM
0x001A: 0x1A, # SUBSTITUTE
0x001B: 0x1B, # ESCAPE
0x001C: 0x1C, # FILE SEPARATOR
0x001D: 0x1D, # GROUP SEPARATOR
0x001E: 0x1E, # RECORD SEPARATOR
0x001F: 0x1F, # UNIT SEPARATOR
0x0020: 0x20, # SPACE
0x0021: 0x21, # EXCLAMATION MARK
0x0022: 0x22, # QUOTATION MARK
0x0023: 0x23, # NUMBER SIGN
0x0024: 0x24, # DOLLAR SIGN
0x0025: 0x25, # PERCENT SIGN
0x0026: 0x26, # AMPERSAND
0x0027: 0x27, # APOSTROPHE
0x0028: 0x28, # LEFT PARENTHESIS
0x0029: 0x29, # RIGHT PARENTHESIS
0x002A: 0x2A, # ASTERISK
0x002B: 0x2B, # PLUS SIGN
0x002C: 0x2C, # COMMA
0x002D: 0x2D, # HYPHEN-MINUS
0x002E: 0x2E, # FULL STOP
0x002F: 0x2F, # SOLIDUS
0x0030: 0x30, # DIGIT ZERO
0x0031: 0x31, # DIGIT ONE
0x0032: 0x32, # DIGIT TWO
0x0033: 0x33, # DIGIT THREE
0x0034: 0x34, # DIGIT FOUR
0x0035: 0x35, # DIGIT FIVE
0x0036: 0x36, # DIGIT SIX
0x0037: 0x37, # DIGIT SEVEN
0x0038: 0x38, # DIGIT EIGHT
0x0039: 0x39, # DIGIT NINE
0x003A: 0x3A, # COLON
0x003B: 0x3B, # SEMICOLON
0x003C: 0x3C, # LESS-THAN SIGN
0x003D: 0x3D, # EQUALS SIGN
0x003E: 0x3E, # GREATER-THAN SIGN
0x003F: 0x3F, # QUESTION MARK
0x0040: 0x40, # COMMERCIAL AT
0x0041: 0x41, # LATIN CAPITAL LETTER A
0x0042: 0x42, # LATIN CAPITAL LETTER B
0x0043: 0x43, # LATIN CAPITAL LETTER C
0x0044: 0x44, # LATIN CAPITAL LETTER D
0x0045: 0x45, # LATIN CAPITAL LETTER E
0x0046: 0x46, # LATIN CAPITAL LETTER F
0x0047: 0x47, # LATIN CAPITAL LETTER G
0x0048: 0x48, # LATIN CAPITAL LETTER H
0x0049: 0x49, # LATIN CAPITAL LETTER I
0x004A: 0x4A, # LATIN CAPITAL LETTER J
0x004B: 0x4B, # LATIN CAPITAL LETTER K
0x004C: 0x4C, # LATIN CAPITAL LETTER L
0x004D: 0x4D, # LATIN CAPITAL LETTER M
0x004E: 0x4E, # LATIN CAPITAL LETTER N
0x004F: 0x4F, # LATIN CAPITAL LETTER O
0x0050: 0x50, # LATIN CAPITAL LETTER P
0x0051: 0x51, # LATIN CAPITAL LETTER Q
0x0052: 0x52, # LATIN CAPITAL LETTER R
0x0053: 0x53, # LATIN CAPITAL LETTER S
0x0054: 0x54, # LATIN CAPITAL LETTER T
0x0055: 0x55, # LATIN CAPITAL LETTER U
0x0056: 0x56, # LATIN CAPITAL LETTER V
0x0057: 0x57, # LATIN CAPITAL LETTER W
0x0058: 0x58, # LATIN CAPITAL LETTER X
0x0059: 0x59, # LATIN CAPITAL LETTER Y
0x005A: 0x5A, # LATIN CAPITAL LETTER Z
0x005B: 0x5B, # LEFT SQUARE BRACKET
0x005C: 0x5C, # REVERSE SOLIDUS
0x005D: 0x5D, # RIGHT SQUARE BRACKET
0x005E: 0x5E, # CIRCUMFLEX ACCENT
0x005F: 0x5F, # LOW LINE
0x0060: 0x60, # GRAVE ACCENT
0x0061: 0x61, # LATIN SMALL LETTER A
0x0062: 0x62, # LATIN SMALL LETTER B
0x0063: 0x63, # LATIN SMALL LETTER C
0x0064: 0x64, # LATIN SMALL LETTER D
0x0065: 0x65, # LATIN SMALL LETTER E
0x0066: 0x66, # LATIN SMALL LETTER F
0x0067: 0x67, # LATIN SMALL LETTER G
0x0068: 0x68, # LATIN SMALL LETTER H
0x0069: 0x69, # LATIN SMALL LETTER I
0x006A: 0x6A, # LATIN SMALL LETTER J
0x006B: 0x6B, # LATIN SMALL LETTER K
0x006C: 0x6C, # LATIN SMALL LETTER L
0x006D: 0x6D, # LATIN SMALL LETTER M
0x006E: 0x6E, # LATIN SMALL LETTER N
0x006F: 0x6F, # LATIN SMALL LETTER O
0x0070: 0x70, # LATIN SMALL LETTER P
0x0071: 0x71, # LATIN SMALL LETTER Q
0x0072: 0x72, # LATIN SMALL LETTER R
0x0073: 0x73, # LATIN SMALL LETTER S
0x0074: 0x74, # LATIN SMALL LETTER T
0x0075: 0x75, # LATIN SMALL LETTER U
0x0076: 0x76, # LATIN SMALL LETTER V
0x0077: 0x77, # LATIN SMALL LETTER W
0x0078: 0x78, # LATIN SMALL LETTER X
0x0079: 0x79, # LATIN SMALL LETTER Y
0x007A: 0x7A, # LATIN SMALL LETTER Z
0x007B: 0x7B, # LEFT CURLY BRACKET
0x007C: 0x7C, # VERTICAL LINE
0x007D: 0x7D, # RIGHT CURLY BRACKET
0x007E: 0x7E, # TILDE
0x007F: 0x7F, # DELETE
0x00A0: 0xFF, # NO-BREAK SPACE
0x00A2: 0xBD, # CENT SIGN
0x00A3: 0x9C, # POUND SIGN
0x00A4: 0xCF, # CURRENCY SIGN
0x00A5: 0xBE, # YEN SIGN
0x00A6: 0xDD, # BROKEN BAR
0x00A7: 0xF5, # SECTION SIGN
0x00A8: 0xF9, # DIAERESIS
0x00A9: 0xB8, # COPYRIGHT SIGN
0x00AB: 0xAE, # LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
0x00AC: 0xAA, # NOT SIGN
0x00AD: 0xF0, # SOFT HYPHEN
0x00AE: 0xA9, # REGISTERED SIGN
0x00AF: 0xEE, # MACRON
0x00B0: 0xF8, # DEGREE SIGN
0x00B1: 0xF1, # PLUS-MINUS SIGN
0x00B2: 0xFD, # SUPERSCRIPT TWO
0x00B3: 0xFC, # SUPERSCRIPT THREE
0x00B4: 0xEF, # ACUTE ACCENT
0x00B5: 0xE6, # MICRO SIGN
0x00B6: 0xF4, # PILCROW SIGN
0x00B7: 0xFA, # MIDDLE DOT
0x00B8: 0xF7, # CEDILLA
0x00B9: 0xFB, # SUPERSCRIPT ONE
0x00BB: 0xAF, # RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
0x00BC: 0xAC, # VULGAR FRACTION ONE QUARTER
0x00BD: 0xAB, # VULGAR FRACTION ONE HALF
0x00BE: 0xF3, # VULGAR FRACTION THREE QUARTERS
0x00D7: 0x9E, # MULTIPLICATION SIGN
0x00F7: 0xF6, # DIVISION SIGN
0x05D0: 0x80, # HEBREW LETTER ALEF
0x05D1: 0x81, # HEBREW LETTER BET
0x05D2: 0x82, # HEBREW LETTER GIMEL
0x05D3: 0x83, # HEBREW LETTER DALET
0x05D4: 0x84, # HEBREW LETTER HE
0x05D5: 0x85, # HEBREW LETTER VAV
0x05D6: 0x86, # HEBREW LETTER ZAYIN
0x05D7: 0x87, # HEBREW LETTER HET
0x05D8: 0x88, # HEBREW LETTER TET
0x05D9: 0x89, # HEBREW LETTER YOD
0x05DA: 0x8A, # HEBREW LETTER FINAL KAF
0x05DB: 0x8B, # HEBREW LETTER KAF
0x05DC: 0x8C, # HEBREW LETTER LAMED
0x05DD: 0x8D, # HEBREW LETTER FINAL MEM
0x05DE: 0x8E, # HEBREW LETTER MEM
0x05DF: 0x8F, # HEBREW LETTER FINAL NUN
0x05E0: 0x90, # HEBREW LETTER NUN
0x05E1: 0x91, # HEBREW LETTER SAMEKH
0x05E2: 0x92, # HEBREW LETTER AYIN
0x05E3: 0x93, # HEBREW LETTER FINAL PE
0x05E4: 0x94, # HEBREW LETTER PE
0x05E5: 0x95, # HEBREW LETTER FINAL TSADI
0x05E6: 0x96, # HEBREW LETTER TSADI
0x05E7: 0x97, # HEBREW LETTER QOF
0x05E8: 0x98, # HEBREW LETTER RESH
0x05E9: 0x99, # HEBREW LETTER SHIN
0x05EA: 0x9A, # HEBREW LETTER TAV
0x2017: 0xF2, # DOUBLE LOW LINE
0x2500: 0xC4, # BOX DRAWINGS LIGHT HORIZONTAL
0x2502: 0xB3, # BOX DRAWINGS LIGHT VERTICAL
0x250C: 0xDA, # BOX DRAWINGS LIGHT DOWN AND RIGHT
0x2510: 0xBF, # BOX DRAWINGS LIGHT DOWN AND LEFT
0x2514: 0xC0, # BOX DRAWINGS LIGHT UP AND RIGHT
0x2518: 0xD9, # BOX DRAWINGS LIGHT UP AND LEFT
0x251C: 0xC3, # BOX DRAWINGS LIGHT VERTICAL AND RIGHT
0x2524: 0xB4, # BOX DRAWINGS LIGHT VERTICAL AND LEFT
0x252C: 0xC2, # BOX DRAWINGS LIGHT DOWN AND HORIZONTAL
0x2534: 0xC1, # BOX DRAWINGS LIGHT UP AND HORIZONTAL
0x253C: 0xC5, # BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL
0x2550: 0xCD, # BOX DRAWINGS DOUBLE HORIZONTAL
0x2551: 0xBA, # BOX DRAWINGS DOUBLE VERTICAL
0x2554: 0xC9, # BOX DRAWINGS DOUBLE DOWN AND RIGHT
0x2557: 0xBB, # BOX DRAWINGS DOUBLE DOWN AND LEFT
0x255A: 0xC8, # BOX DRAWINGS DOUBLE UP AND RIGHT
0x255D: 0xBC, # BOX DRAWINGS DOUBLE UP AND LEFT
0x2560: 0xCC, # BOX DRAWINGS DOUBLE VERTICAL AND RIGHT
0x2563: 0xB9, # BOX DRAWINGS DOUBLE VERTICAL AND LEFT
0x2566: 0xCB, # BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL
0x2569: 0xCA, # BOX DRAWINGS DOUBLE UP AND HORIZONTAL
0x256C: 0xCE, # BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL
0x2580: 0xDF, # UPPER HALF BLOCK
0x2584: 0xDC, # LOWER HALF BLOCK
0x2588: 0xDB, # FULL BLOCK
0x2591: 0xB0, # LIGHT SHADE
0x2592: 0xB1, # MEDIUM SHADE
0x2593: 0xB2, # DARK SHADE
0x25A0: 0xFE, # BLACK SQUARE
}