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Diffstat (limited to 'git-gui/lib/encoding.tcl')
| -rw-r--r-- | git-gui/lib/encoding.tcl | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/git-gui/lib/encoding.tcl b/git-gui/lib/encoding.tcl new file mode 100644 index 0000000..32668fc --- /dev/null +++ b/git-gui/lib/encoding.tcl @@ -0,0 +1,466 @@ +# git-gui encoding support +# Copyright (C) 2005 Paul Mackerras <paulus@samba.org> +# (Copied from gitk, commit fd8ccbec4f0161) + +# This list of encoding names and aliases is distilled from +# http://www.iana.org/assignments/character-sets. +# Not all of them are supported by Tcl. +set encoding_aliases { + { ANSI_X3.4-1968 iso-ir-6 ANSI_X3.4-1986 ISO_646.irv:1991 ASCII + ISO646-US US-ASCII us IBM367 cp367 csASCII } + { ISO-10646-UTF-1 csISO10646UTF1 } + { ISO_646.basic:1983 ref csISO646basic1983 } + { INVARIANT csINVARIANT } + { ISO_646.irv:1983 iso-ir-2 irv csISO2IntlRefVersion } + { BS_4730 iso-ir-4 ISO646-GB gb uk csISO4UnitedKingdom } + { NATS-SEFI iso-ir-8-1 csNATSSEFI } + { NATS-SEFI-ADD iso-ir-8-2 csNATSSEFIADD } + { NATS-DANO iso-ir-9-1 csNATSDANO } + { NATS-DANO-ADD iso-ir-9-2 csNATSDANOADD } + { SEN_850200_B iso-ir-10 FI ISO646-FI ISO646-SE se csISO10Swedish } + { SEN_850200_C iso-ir-11 ISO646-SE2 se2 csISO11SwedishForNames } + { KS_C_5601-1987 iso-ir-149 KS_C_5601-1989 KSC_5601 korean csKSC56011987 } + { ISO-2022-KR csISO2022KR } + { EUC-KR csEUCKR } + { ISO-2022-JP csISO2022JP } + { ISO-2022-JP-2 csISO2022JP2 } + { JIS_C6220-1969-jp JIS_C6220-1969 iso-ir-13 katakana x0201-7 + csISO13JISC6220jp } + { JIS_C6220-1969-ro iso-ir-14 jp ISO646-JP csISO14JISC6220ro } + { IT iso-ir-15 ISO646-IT csISO15Italian } + { PT iso-ir-16 ISO646-PT csISO16Portuguese } + { ES iso-ir-17 ISO646-ES csISO17Spanish } + { greek7-old iso-ir-18 csISO18Greek7Old } + { latin-greek iso-ir-19 csISO19LatinGreek } + { DIN_66003 iso-ir-21 de ISO646-DE csISO21German } + { NF_Z_62-010_(1973) iso-ir-25 ISO646-FR1 csISO25French } + { Latin-greek-1 iso-ir-27 csISO27LatinGreek1 } + { ISO_5427 iso-ir-37 csISO5427Cyrillic } + { JIS_C6226-1978 iso-ir-42 csISO42JISC62261978 } + { BS_viewdata iso-ir-47 csISO47BSViewdata } + { INIS iso-ir-49 csISO49INIS } + { INIS-8 iso-ir-50 csISO50INIS8 } + { INIS-cyrillic iso-ir-51 csISO51INISCyrillic } + { ISO_5427:1981 iso-ir-54 ISO5427Cyrillic1981 } + { ISO_5428:1980 iso-ir-55 csISO5428Greek } + { GB_1988-80 iso-ir-57 cn ISO646-CN csISO57GB1988 } + { GB_2312-80 iso-ir-58 chinese csISO58GB231280 } + { NS_4551-1 iso-ir-60 ISO646-NO no csISO60DanishNorwegian + csISO60Norwegian1 } + { NS_4551-2 ISO646-NO2 iso-ir-61 no2 csISO61Norwegian2 } + { NF_Z_62-010 iso-ir-69 ISO646-FR fr csISO69French } + { videotex-suppl iso-ir-70 csISO70VideotexSupp1 } + { PT2 iso-ir-84 ISO646-PT2 csISO84Portuguese2 } + { ES2 iso-ir-85 ISO646-ES2 csISO85Spanish2 } + { MSZ_7795.3 iso-ir-86 ISO646-HU hu csISO86Hungarian } + { JIS_C6226-1983 iso-ir-87 x0208 JIS_X0208-1983 csISO87JISX0208 } + { greek7 iso-ir-88 csISO88Greek7 } + { ASMO_449 ISO_9036 arabic7 iso-ir-89 csISO89ASMO449 } + { iso-ir-90 csISO90 } + { JIS_C6229-1984-a iso-ir-91 jp-ocr-a csISO91JISC62291984a } + { JIS_C6229-1984-b iso-ir-92 ISO646-JP-OCR-B jp-ocr-b + csISO92JISC62991984b } + { JIS_C6229-1984-b-add iso-ir-93 jp-ocr-b-add csISO93JIS62291984badd } + { JIS_C6229-1984-hand iso-ir-94 jp-ocr-hand csISO94JIS62291984hand } + { JIS_C6229-1984-hand-add iso-ir-95 jp-ocr-hand-add + csISO95JIS62291984handadd } + { JIS_C6229-1984-kana iso-ir-96 csISO96JISC62291984kana } + { ISO_2033-1983 iso-ir-98 e13b csISO2033 } + { ANSI_X3.110-1983 iso-ir-99 CSA_T500-1983 NAPLPS csISO99NAPLPS } + { ISO_8859-1:1987 iso-ir-100 ISO_8859-1 ISO-8859-1 latin1 l1 IBM819 + CP819 csISOLatin1 } + { ISO_8859-2:1987 iso-ir-101 ISO_8859-2 ISO-8859-2 latin2 l2 csISOLatin2 } + { T.61-7bit iso-ir-102 csISO102T617bit } + { T.61-8bit T.61 iso-ir-103 csISO103T618bit } + { ISO_8859-3:1988 iso-ir-109 ISO_8859-3 ISO-8859-3 latin3 l3 csISOLatin3 } + { ISO_8859-4:1988 iso-ir-110 ISO_8859-4 ISO-8859-4 latin4 l4 csISOLatin4 } + { ECMA-cyrillic iso-ir-111 KOI8-E csISO111ECMACyrillic } + { CSA_Z243.4-1985-1 iso-ir-121 ISO646-CA csa7-1 ca csISO121Canadian1 } + { CSA_Z243.4-1985-2 iso-ir-122 ISO646-CA2 csa7-2 csISO122Canadian2 } + { CSA_Z243.4-1985-gr iso-ir-123 csISO123CSAZ24341985gr } + { ISO_8859-6:1987 iso-ir-127 ISO_8859-6 ISO-8859-6 ECMA-114 ASMO-708 + arabic csISOLatinArabic } + { ISO_8859-6-E csISO88596E ISO-8859-6-E } + { ISO_8859-6-I csISO88596I ISO-8859-6-I } + { ISO_8859-7:1987 iso-ir-126 ISO_8859-7 ISO-8859-7 ELOT_928 ECMA-118 + greek greek8 csISOLatinGreek } + { T.101-G2 iso-ir-128 csISO128T101G2 } + { ISO_8859-8:1988 iso-ir-138 ISO_8859-8 ISO-8859-8 hebrew + csISOLatinHebrew } + { ISO_8859-8-E csISO88598E ISO-8859-8-E } + { ISO_8859-8-I csISO88598I ISO-8859-8-I } + { CSN_369103 iso-ir-139 csISO139CSN369103 } + { JUS_I.B1.002 iso-ir-141 ISO646-YU js yu csISO141JUSIB1002 } + { ISO_6937-2-add iso-ir-142 csISOTextComm } + { IEC_P27-1 iso-ir-143 csISO143IECP271 } + { ISO_8859-5:1988 iso-ir-144 ISO_8859-5 ISO-8859-5 cyrillic + csISOLatinCyrillic } + { JUS_I.B1.003-serb iso-ir-146 serbian csISO146Serbian } + { JUS_I.B1.003-mac macedonian iso-ir-147 csISO147Macedonian } + { ISO_8859-9:1989 iso-ir-148 ISO_8859-9 ISO-8859-9 latin5 l5 csISOLatin5 } + { greek-ccitt iso-ir-150 csISO150 csISO150GreekCCITT } + { NC_NC00-10:81 cuba iso-ir-151 ISO646-CU csISO151Cuba } + { ISO_6937-2-25 iso-ir-152 csISO6937Add } + { GOST_19768-74 ST_SEV_358-88 iso-ir-153 csISO153GOST1976874 } + { ISO_8859-supp iso-ir-154 latin1-2-5 csISO8859Supp } + { ISO_10367-box iso-ir-155 csISO10367Box } + { ISO-8859-10 iso-ir-157 l6 ISO_8859-10:1992 csISOLatin6 latin6 } + { latin-lap lap iso-ir-158 csISO158Lap } + { JIS_X0212-1990 x0212 iso-ir-159 csISO159JISX02121990 } + { DS_2089 DS2089 ISO646-DK dk csISO646Danish } + { us-dk csUSDK } + { dk-us csDKUS } + { JIS_X0201 X0201 csHalfWidthKatakana } + { KSC5636 ISO646-KR csKSC5636 } + { ISO-10646-UCS-2 csUnicode } + { ISO-10646-UCS-4 csUCS4 } + { DEC-MCS dec csDECMCS } + { hp-roman8 roman8 r8 csHPRoman8 } + { macintosh mac csMacintosh } + { IBM037 cp037 ebcdic-cp-us ebcdic-cp-ca ebcdic-cp-wt ebcdic-cp-nl + csIBM037 } + { IBM038 EBCDIC-INT cp038 csIBM038 } + { IBM273 CP273 csIBM273 } + { IBM274 EBCDIC-BE CP274 csIBM274 } + { IBM275 EBCDIC-BR cp275 csIBM275 } + { IBM277 EBCDIC-CP-DK EBCDIC-CP-NO csIBM277 } + { IBM278 CP278 ebcdic-cp-fi ebcdic-cp-se csIBM278 } + { IBM280 CP280 ebcdic-cp-it csIBM280 } + { IBM281 EBCDIC-JP-E cp281 csIBM281 } + { IBM284 CP284 ebcdic-cp-es csIBM284 } + { IBM285 CP285 ebcdic-cp-gb csIBM285 } + { IBM290 cp290 EBCDIC-JP-kana csIBM290 } + { IBM297 cp297 ebcdic-cp-fr csIBM297 } + { IBM420 cp420 ebcdic-cp-ar1 csIBM420 } + { IBM423 cp423 ebcdic-cp-gr csIBM423 } + { IBM424 cp424 ebcdic-cp-he csIBM424 } + { IBM437 cp437 437 csPC8CodePage437 } + { IBM500 CP500 ebcdic-cp-be ebcdic-cp-ch csIBM500 } + { IBM775 cp775 csPC775Baltic } + { IBM850 cp850 850 csPC850Multilingual } + { IBM851 cp851 851 csIBM851 } + { IBM852 cp852 852 csPCp852 } + { IBM855 cp855 855 csIBM855 } + { IBM857 cp857 857 csIBM857 } + { IBM860 cp860 860 csIBM860 } + { IBM861 cp861 861 cp-is csIBM861 } + { IBM862 cp862 862 csPC862LatinHebrew } + { IBM863 cp863 863 csIBM863 } + { IBM864 cp864 csIBM864 } + { IBM865 cp865 865 csIBM865 } + { IBM866 cp866 866 csIBM866 } + { IBM868 CP868 cp-ar csIBM868 } + { IBM869 cp869 869 cp-gr csIBM869 } + { IBM870 CP870 ebcdic-cp-roece ebcdic-cp-yu csIBM870 } + { IBM871 CP871 ebcdic-cp-is csIBM871 } + { IBM880 cp880 EBCDIC-Cyrillic csIBM880 } + { IBM891 cp891 csIBM891 } + { IBM903 cp903 csIBM903 } + { IBM904 cp904 904 csIBBM904 } + { IBM905 CP905 ebcdic-cp-tr csIBM905 } + { IBM918 CP918 ebcdic-cp-ar2 csIBM918 } + { IBM1026 CP1026 csIBM1026 } + { EBCDIC-AT-DE csIBMEBCDICATDE } + { EBCDIC-AT-DE-A csEBCDICATDEA } + { EBCDIC-CA-FR csEBCDICCAFR } + { EBCDIC-DK-NO csEBCDICDKNO } + { EBCDIC-DK-NO-A csEBCDICDKNOA } + { EBCDIC-FI-SE csEBCDICFISE } + { EBCDIC-FI-SE-A csEBCDICFISEA } + { EBCDIC-FR csEBCDICFR } + { EBCDIC-IT csEBCDICIT } + { EBCDIC-PT csEBCDICPT } + { EBCDIC-ES csEBCDICES } + { EBCDIC-ES-A csEBCDICESA } + { EBCDIC-ES-S csEBCDICESS } + { EBCDIC-UK csEBCDICUK } + { EBCDIC-US csEBCDICUS } + { UNKNOWN-8BIT csUnknown8BiT } + { MNEMONIC csMnemonic } + { MNEM csMnem } + { VISCII csVISCII } + { VIQR csVIQR } + { KOI8-R csKOI8R } + { IBM00858 CCSID00858 CP00858 PC-Multilingual-850+euro } + { IBM00924 CCSID00924 CP00924 ebcdic-Latin9--euro } + { IBM01140 CCSID01140 CP01140 ebcdic-us-37+euro } + { IBM01141 CCSID01141 CP01141 ebcdic-de-273+euro } + { IBM01142 CCSID01142 CP01142 ebcdic-dk-277+euro ebcdic-no-277+euro } + { IBM01143 CCSID01143 CP01143 ebcdic-fi-278+euro ebcdic-se-278+euro } + { IBM01144 CCSID01144 CP01144 ebcdic-it-280+euro } + { IBM01145 CCSID01145 CP01145 ebcdic-es-284+euro } + { IBM01146 CCSID01146 CP01146 ebcdic-gb-285+euro } + { IBM01147 CCSID01147 CP01147 ebcdic-fr-297+euro } + { IBM01148 CCSID01148 CP01148 ebcdic-international-500+euro } + { IBM01149 CCSID01149 CP01149 ebcdic-is-871+euro } + { IBM1047 IBM-1047 } + { PTCP154 csPTCP154 PT154 CP154 Cyrillic-Asian } + { Amiga-1251 Ami1251 Amiga1251 Ami-1251 } + { UNICODE-1-1 csUnicode11 } + { CESU-8 csCESU-8 } + { BOCU-1 csBOCU-1 } + { UNICODE-1-1-UTF-7 csUnicode11UTF7 } + { ISO-8859-14 iso-ir-199 ISO_8859-14:1998 ISO_8859-14 latin8 iso-celtic + l8 } + { ISO-8859-15 ISO_8859-15 Latin-9 } + { ISO-8859-16 iso-ir-226 ISO_8859-16:2001 ISO_8859-16 latin10 l10 } + { GBK CP936 MS936 windows-936 } + { JIS_Encoding csJISEncoding } + { Shift_JIS MS_Kanji csShiftJIS ShiftJIS Shift-JIS } + { Extended_UNIX_Code_Packed_Format_for_Japanese csEUCPkdFmtJapanese + EUC-JP } + { Extended_UNIX_Code_Fixed_Width_for_Japanese csEUCFixWidJapanese } + { ISO-10646-UCS-Basic csUnicodeASCII } + { ISO-10646-Unicode-Latin1 csUnicodeLatin1 ISO-10646 } + { ISO-Unicode-IBM-1261 csUnicodeIBM1261 } + { ISO-Unicode-IBM-1268 csUnicodeIBM1268 } + { ISO-Unicode-IBM-1276 csUnicodeIBM1276 } + { ISO-Unicode-IBM-1264 csUnicodeIBM1264 } + { ISO-Unicode-IBM-1265 csUnicodeIBM1265 } + { ISO-8859-1-Windows-3.0-Latin-1 csWindows30Latin1 } + { ISO-8859-1-Windows-3.1-Latin-1 csWindows31Latin1 } + { ISO-8859-2-Windows-Latin-2 csWindows31Latin2 } + { ISO-8859-9-Windows-Latin-5 csWindows31Latin5 } + { Adobe-Standard-Encoding csAdobeStandardEncoding } + { Ventura-US csVenturaUS } + { Ventura-International csVenturaInternational } + { PC8-Danish-Norwegian csPC8DanishNorwegian } + { PC8-Turkish csPC8Turkish } + { IBM-Symbols csIBMSymbols } + { IBM-Thai csIBMThai } + { HP-Legal csHPLegal } + { HP-Pi-font csHPPiFont } + { HP-Math8 csHPMath8 } + { Adobe-Symbol-Encoding csHPPSMath } + { HP-DeskTop csHPDesktop } + { Ventura-Math csVenturaMath } + { Microsoft-Publishing csMicrosoftPublishing } + { Windows-31J csWindows31J } + { GB2312 csGB2312 } + { Big5 csBig5 } +} + +set encoding_groups { + {"" "" + {"Unicode" UTF-8} + {"Western" ISO-8859-1}} + {we "West European" + {"Western" ISO-8859-15 CP-437 CP-850 MacRoman CP-1252 Windows-1252} + {"Celtic" ISO-8859-14} + {"Greek" ISO-8859-14 ISO-8859-7 CP-737 CP-869 MacGreek CP-1253 Windows-1253} + {"Icelandic" MacIceland MacIcelandic CP-861} + {"Nordic" ISO-8859-10 CP-865} + {"Portuguese" CP-860} + {"South European" ISO-8859-3}} + {ee "East European" + {"Baltic" CP-775 ISO-8859-4 ISO-8859-13 CP-1257 Windows-1257} + {"Central European" CP-852 ISO-8859-2 MacCE CP-1250 Windows-1250} + {"Croatian" MacCroatian} + {"Cyrillic" CP-855 ISO-8859-5 ISO-IR-111 KOI8-R MacCyrillic CP-1251 Windows-1251} + {"Russian" CP-866} + {"Ukrainian" KOI8-U MacUkraine MacUkrainian} + {"Romanian" ISO-8859-16 MacRomania MacRomanian}} + {ea "East Asian" + {"Generic" ISO-2022} + {"Chinese Simplified" GB2312 GB1988 GB12345 GB2312-RAW GBK EUC-CN GB18030 HZ ISO-2022-CN} + {"Chinese Traditional" Big5 Big5-HKSCS EUC-TW CP-950} + {"Japanese" EUC-JP ISO-2022-JP Shift-JIS JIS-0212 JIS-0208 JIS-0201 CP-932 MacJapan} + {"Korean" EUC-KR UHC JOHAB ISO-2022-KR CP-949 KSC5601}} + {sa "SE & SW Asian" + {"Armenian" ARMSCII-8} + {"Georgian" GEOSTD8} + {"Thai" TIS-620 ISO-8859-11 CP-874 Windows-874 MacThai} + {"Turkish" CP-857 CP857 ISO-8859-9 MacTurkish CP-1254 Windows-1254} + {"Vietnamese" TCVN VISCII VPS CP-1258 Windows-1258} + {"Hindi" MacDevanagari} + {"Gujarati" MacGujarati} + {"Gurmukhi" MacGurmukhi}} + {me "Middle Eastern" + {"Arabic" ISO-8859-6 Windows-1256 CP-1256 CP-864 MacArabic} + {"Farsi" MacFarsi} + {"Hebrew" ISO-8859-8-I Windows-1255 CP-1255 ISO-8859-8 CP-862 MacHebrew}} + {mi "Misc" + {"7-bit" ASCII} + {"16-bit" Unicode} + {"Legacy" CP-863 EBCDIC} + {"Symbol" Symbol Dingbats MacDingbats MacCentEuro}} +} + +proc build_encoding_table {} { + global encoding_aliases encoding_lookup_table + + # Prepare the lookup list; cannot use lsort -nocase because + # of compatibility issues with older Tcl (e.g. in msysgit) + set names [list] + foreach item [encoding names] { + lappend names [list [string tolower $item] $item] + } + set names [lsort -ascii -index 0 $names] + # neither can we use lsearch -index + set lnames [list] + foreach item $names { + lappend lnames [lindex $item 0] + } + + foreach grp $encoding_aliases { + set target {} + foreach item $grp { + set i [lsearch -sorted -ascii $lnames \ + [string tolower $item]] + if {$i >= 0} { + set target [lindex $names $i 1] + break + } + } + if {$target eq {}} continue + foreach item $grp { + set encoding_lookup_table([string tolower $item]) $target + } + } + + foreach item $names { + set encoding_lookup_table([lindex $item 0]) [lindex $item 1] + } +} + +proc tcl_encoding {enc} { + global encoding_lookup_table + if {$enc eq {}} { + return {} + } + if {![info exists encoding_lookup_table]} { + build_encoding_table + } + set enc [string tolower $enc] + if {![info exists encoding_lookup_table($enc)]} { + # look for "isonnn" instead of "iso-nnn" or "iso_nnn" + if {[regsub {^(iso|cp|ibm|jis)[-_]} $enc {\1} encx]} { + set enc $encx + } + } + if {[info exists encoding_lookup_table($enc)]} { + return $encoding_lookup_table($enc) + } else { + return {} + } +} + +proc force_path_encoding {path enc} { + global path_encoding_overrides last_encoding_override + + set enc [tcl_encoding $enc] + if {$enc eq {}} { + catch { unset last_encoding_override } + catch { unset path_encoding_overrides($path) } + } else { + set last_encoding_override $enc + if {$path ne {}} { + set path_encoding_overrides($path) $enc + } + } +} + +proc get_path_encoding {path} { + global path_encoding_overrides last_encoding_override + + if {[info exists last_encoding_override]} { + set tcl_enc $last_encoding_override + } else { + set tcl_enc [tcl_encoding [get_config gui.encoding]] + } + if {$tcl_enc eq {}} { + set tcl_enc [encoding system] + } + if {$path ne {}} { + if {[info exists path_encoding_overrides($path)]} { + set enc2 $path_encoding_overrides($path) + } else { + set enc2 [tcl_encoding [gitattr $path encoding $tcl_enc]] + } + if {$enc2 ne {}} { + set tcl_enc $enc2 + } + } + return $tcl_enc +} + +proc build_encoding_submenu {parent grp cmd} { + global used_encodings + + set mid [lindex $grp 0] + set gname [mc [lindex $grp 1]] + + set smenu {} + foreach subset [lrange $grp 2 end] { + set name [mc [lindex $subset 0]] + + foreach enc [lrange $subset 1 end] { + set tcl_enc [tcl_encoding $enc] + if {$tcl_enc eq {}} continue + + if {$smenu eq {}} { + if {$mid eq {}} { + set smenu $parent + } else { + set smenu "$parent.$mid" + menu $smenu + $parent add cascade \ + -label $gname \ + -menu $smenu + } + } + + if {$name ne {}} { + set lbl "$name ($enc)" + } else { + set lbl $enc + } + $smenu add command \ + -label $lbl \ + -command [concat $cmd [list $tcl_enc]] + + lappend used_encodings $tcl_enc + } + } +} + +proc popup_btn_menu {m b} { + tk_popup $m [winfo pointerx $b] [winfo pointery $b] +} + +proc build_encoding_menu {emenu cmd {nodef 0}} { + $emenu configure -postcommand \ + [list do_build_encoding_menu $emenu $cmd $nodef] +} + +proc do_build_encoding_menu {emenu cmd {nodef 0}} { + global used_encodings encoding_groups + + $emenu configure -postcommand {} + + if {!$nodef} { + $emenu add command \ + -label [mc "Default"] \ + -command [concat $cmd [list {}]] + } + set sysenc [encoding system] + $emenu add command \ + -label [mc "System (%s)" $sysenc] \ + -command [concat $cmd [list $sysenc]] + + # Main encoding tree + set used_encodings [list identity] + $emenu add separator + foreach grp $encoding_groups { + build_encoding_submenu $emenu $grp $cmd + } + + # Add unclassified encodings + set unused_grp [list [mc Other]] + foreach enc [encoding names] { + if {[lsearch -exact $used_encodings $enc] < 0} { + lappend unused_grp $enc + } + } + build_encoding_submenu $emenu [list other [mc Other] $unused_grp] $cmd +} |