diff options
Diffstat (limited to 'git-gui/lib/encoding.tcl')
| -rw-r--r-- | git-gui/lib/encoding.tcl | 250 |
1 files changed, 220 insertions, 30 deletions
diff --git a/git-gui/lib/encoding.tcl b/git-gui/lib/encoding.tcl index 7f06b0d47f..32668fc9c6 100644 --- a/git-gui/lib/encoding.tcl +++ b/git-gui/lib/encoding.tcl @@ -206,7 +206,7 @@ set encoding_aliases { { 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 } + { 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 } @@ -240,37 +240,227 @@ set encoding_aliases { { 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_aliases - set names [encoding names] - set lcnames [string tolower $names] - set enc [string tolower $enc] - set i [lsearch -exact $lcnames $enc] - if {$i < 0} { - # look for "isonnn" instead of "iso-nnn" or "iso_nnn" - if {[regsub {^iso[-_]} $enc iso encx]} { - set i [lsearch -exact $lcnames $encx] + global encoding_lookup_table + if {$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 $last_encoding_override + } else { + set tcl_enc [tcl_encoding [get_config gui.encoding]] } - } - if {$i < 0} { - foreach l $encoding_aliases { - set ll [string tolower $l] - if {[lsearch -exact $ll $enc] < 0} continue - # look through the aliases for one that tcl knows about - foreach e $ll { - set i [lsearch -exact $lcnames $e] - if {$i < 0} { - if {[regsub {^iso[-_]} $e iso ex]} { - set i [lsearch -exact $lcnames $ex] - } + if {$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 $enc } - if {$i >= 0} break - } - break } - } - if {$i >= 0} { - return [lindex $names $i] - } - return {} + build_encoding_submenu $emenu [list other [mc Other] $unused_grp] $cmd } |