606 lines
16 KiB
Text
606 lines
16 KiB
Text
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# msgcat.tcl --
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#
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# This file defines various procedures which implement a
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# message catalog facility for Tcl programs. It should be
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# loaded with the command "package require msgcat".
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#
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# Copyright (c) 1998-2000 by Ajuba Solutions.
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# Copyright (c) 1998 by Mark Harrison.
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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package require Tcl 8.5
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# When the version number changes, be sure to update the pkgIndex.tcl file,
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# and the installation directory in the Makefiles.
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package provide msgcat 1.5.2
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namespace eval msgcat {
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namespace export mc mcload mclocale mcmax mcmset mcpreferences mcset \
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mcunknown mcflset mcflmset
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# Records the current locale as passed to mclocale
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variable Locale ""
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# Records the list of locales to search
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variable Loclist {}
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# Records the locale of the currently sourced message catalogue file
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variable FileLocale
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# Records the mapping between source strings and translated strings. The
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# dict key is of the form "<locale> <namespace> <src>", where locale and
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# namespace should be themselves dict values and the value is
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# the translated string.
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variable Msgs [dict create]
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# Map of language codes used in Windows registry to those of ISO-639
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if {[info sharedlibextension] eq ".dll"} {
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variable WinRegToISO639 [dict create {*}{
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01 ar 0401 ar_SA 0801 ar_IQ 0c01 ar_EG 1001 ar_LY 1401 ar_DZ
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1801 ar_MA 1c01 ar_TN 2001 ar_OM 2401 ar_YE 2801 ar_SY
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2c01 ar_JO 3001 ar_LB 3401 ar_KW 3801 ar_AE 3c01 ar_BH
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4001 ar_QA
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02 bg 0402 bg_BG
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03 ca 0403 ca_ES
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04 zh 0404 zh_TW 0804 zh_CN 0c04 zh_HK 1004 zh_SG 1404 zh_MO
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05 cs 0405 cs_CZ
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06 da 0406 da_DK
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07 de 0407 de_DE 0807 de_CH 0c07 de_AT 1007 de_LU 1407 de_LI
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08 el 0408 el_GR
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09 en 0409 en_US 0809 en_GB 0c09 en_AU 1009 en_CA 1409 en_NZ
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1809 en_IE 1c09 en_ZA 2009 en_JM 2409 en_GD 2809 en_BZ
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2c09 en_TT 3009 en_ZW 3409 en_PH
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0a es 040a es_ES 080a es_MX 0c0a es_ES@modern 100a es_GT 140a es_CR
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180a es_PA 1c0a es_DO 200a es_VE 240a es_CO 280a es_PE
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2c0a es_AR 300a es_EC 340a es_CL 380a es_UY 3c0a es_PY
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400a es_BO 440a es_SV 480a es_HN 4c0a es_NI 500a es_PR
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0b fi 040b fi_FI
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0c fr 040c fr_FR 080c fr_BE 0c0c fr_CA 100c fr_CH 140c fr_LU
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180c fr_MC
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0d he 040d he_IL
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0e hu 040e hu_HU
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0f is 040f is_IS
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10 it 0410 it_IT 0810 it_CH
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11 ja 0411 ja_JP
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12 ko 0412 ko_KR
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13 nl 0413 nl_NL 0813 nl_BE
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14 no 0414 no_NO 0814 nn_NO
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15 pl 0415 pl_PL
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16 pt 0416 pt_BR 0816 pt_PT
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17 rm 0417 rm_CH
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18 ro 0418 ro_RO 0818 ro_MO
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19 ru 0819 ru_MO
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1a hr 041a hr_HR 081a sr_YU 0c1a sr_YU@cyrillic
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1b sk 041b sk_SK
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1c sq 041c sq_AL
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1d sv 041d sv_SE 081d sv_FI
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1e th 041e th_TH
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1f tr 041f tr_TR
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20 ur 0420 ur_PK 0820 ur_IN
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21 id 0421 id_ID
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22 uk 0422 uk_UA
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23 be 0423 be_BY
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24 sl 0424 sl_SI
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25 et 0425 et_EE
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26 lv 0426 lv_LV
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27 lt 0427 lt_LT
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28 tg 0428 tg_TJ
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29 fa 0429 fa_IR
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2a vi 042a vi_VN
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2b hy 042b hy_AM
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2c az 042c az_AZ@latin 082c az_AZ@cyrillic
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2d eu
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2e wen 042e wen_DE
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2f mk 042f mk_MK
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30 bnt 0430 bnt_TZ
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31 ts 0431 ts_ZA
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32 tn
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33 ven 0433 ven_ZA
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34 xh 0434 xh_ZA
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35 zu 0435 zu_ZA
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36 af 0436 af_ZA
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37 ka 0437 ka_GE
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38 fo 0438 fo_FO
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39 hi 0439 hi_IN
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3a mt 043a mt_MT
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3b se 043b se_NO
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043c gd_UK 083c ga_IE
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3d yi 043d yi_IL
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3e ms 043e ms_MY 083e ms_BN
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3f kk 043f kk_KZ
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40 ky 0440 ky_KG
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41 sw 0441 sw_KE
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42 tk 0442 tk_TM
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43 uz 0443 uz_UZ@latin 0843 uz_UZ@cyrillic
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44 tt 0444 tt_RU
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45 bn 0445 bn_IN
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46 pa 0446 pa_IN
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47 gu 0447 gu_IN
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48 or 0448 or_IN
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49 ta
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4a te 044a te_IN
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4b kn 044b kn_IN
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4c ml 044c ml_IN
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4d as 044d as_IN
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4e mr 044e mr_IN
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4f sa 044f sa_IN
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50 mn
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51 bo 0451 bo_CN
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52 cy 0452 cy_GB
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53 km 0453 km_KH
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54 lo 0454 lo_LA
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55 my 0455 my_MM
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56 gl 0456 gl_ES
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57 kok 0457 kok_IN
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58 mni 0458 mni_IN
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59 sd
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5a syr 045a syr_TR
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5b si 045b si_LK
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5c chr 045c chr_US
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5d iu 045d iu_CA
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5e am 045e am_ET
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5f ber 045f ber_MA
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60 ks 0460 ks_PK 0860 ks_IN
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61 ne 0461 ne_NP 0861 ne_IN
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62 fy 0462 fy_NL
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63 ps
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64 tl 0464 tl_PH
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65 div 0465 div_MV
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66 bin 0466 bin_NG
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67 ful 0467 ful_NG
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68 ha 0468 ha_NG
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69 nic 0469 nic_NG
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6a yo 046a yo_NG
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70 ibo 0470 ibo_NG
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71 kau 0471 kau_NG
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72 om 0472 om_ET
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73 ti 0473 ti_ET
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74 gn 0474 gn_PY
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75 cpe 0475 cpe_US
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76 la 0476 la_VA
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77 so 0477 so_SO
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78 sit 0478 sit_CN
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79 pap 0479 pap_AN
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}]
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}
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}
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# msgcat::mc --
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#
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# Find the translation for the given string based on the current
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# locale setting. Check the local namespace first, then look in each
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# parent namespace until the source is found. If additional args are
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# specified, use the format command to work them into the traslated
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# string.
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#
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# Arguments:
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# src The string to translate.
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# args Args to pass to the format command
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#
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# Results:
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# Returns the translated string. Propagates errors thrown by the
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# format command.
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proc msgcat::mc {src args} {
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# Check for the src in each namespace starting from the local and
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# ending in the global.
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variable Msgs
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variable Loclist
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variable Locale
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set ns [uplevel 1 [list ::namespace current]]
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while {$ns != ""} {
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foreach loc $Loclist {
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if {[dict exists $Msgs $loc $ns $src]} {
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if {[llength $args] == 0} {
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return [dict get $Msgs $loc $ns $src]
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} else {
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return [format [dict get $Msgs $loc $ns $src] {*}$args]
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}
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}
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}
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set ns [namespace parent $ns]
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}
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# we have not found the translation
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return [uplevel 1 [list [namespace origin mcunknown] \
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$Locale $src {*}$args]]
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}
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# msgcat::mclocale --
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#
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# Query or set the current locale.
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#
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# Arguments:
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# newLocale (Optional) The new locale string. Locale strings
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# should be composed of one or more sublocale parts
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# separated by underscores (e.g. en_US).
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#
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# Results:
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# Returns the current locale.
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proc msgcat::mclocale {args} {
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variable Loclist
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variable Locale
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set len [llength $args]
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if {$len > 1} {
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return -code error "wrong # args: should be\
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\"[lindex [info level 0] 0] ?newLocale?\""
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}
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if {$len == 1} {
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set newLocale [lindex $args 0]
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if {$newLocale ne [file tail $newLocale]} {
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return -code error "invalid newLocale value \"$newLocale\":\
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could be path to unsafe code."
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}
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set Locale [string tolower $newLocale]
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set Loclist {}
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set word ""
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foreach part [split $Locale _] {
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set word [string trim "${word}_${part}" _]
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if {$word ne [lindex $Loclist 0]} {
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set Loclist [linsert $Loclist 0 $word]
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}
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}
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lappend Loclist {}
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set Locale [lindex $Loclist 0]
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}
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return $Locale
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}
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# msgcat::mcpreferences --
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#
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# Fetch the list of locales used to look up strings, ordered from
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# most preferred to least preferred.
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#
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# Arguments:
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# None.
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#
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# Results:
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# Returns an ordered list of the locales preferred by the user.
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proc msgcat::mcpreferences {} {
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variable Loclist
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return $Loclist
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}
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# msgcat::mcload --
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#
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# Attempt to load message catalogs for each locale in the
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# preference list from the specified directory.
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#
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# Arguments:
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# langdir The directory to search.
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#
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# Results:
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# Returns the number of message catalogs that were loaded.
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proc msgcat::mcload {langdir} {
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variable FileLocale
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# Save the file locale if we are recursively called
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if {[info exists FileLocale]} {
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set nestedFileLocale $FileLocale
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}
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set x 0
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foreach p [mcpreferences] {
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if {$p eq {}} {
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set p ROOT
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}
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set langfile [file join $langdir $p.msg]
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if {[file exists $langfile]} {
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incr x
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set FileLocale [string tolower [file tail [file rootname $langfile]]]
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if {"root" eq $FileLocale} {
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set FileLocale ""
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}
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uplevel 1 [list ::source -encoding utf-8 $langfile]
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unset FileLocale
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}
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}
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if {[info exists nestedFileLocale]} {
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set FileLocale $nestedFileLocale
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}
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return $x
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}
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# msgcat::mcset --
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#
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# Set the translation for a given string in a specified locale.
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#
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# Arguments:
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# locale The locale to use.
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# src The source string.
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# dest (Optional) The translated string. If omitted,
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# the source string is used.
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#
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# Results:
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# Returns the new locale.
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proc msgcat::mcset {locale src {dest ""}} {
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variable Msgs
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if {[llength [info level 0]] == 3} { ;# dest not specified
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set dest $src
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}
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set ns [uplevel 1 [list ::namespace current]]
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set locale [string tolower $locale]
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dict set Msgs $locale $ns $src $dest
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return $dest
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}
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# msgcat::mcflset --
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#
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# Set the translation for a given string in the current file locale.
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#
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# Arguments:
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# src The source string.
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# dest (Optional) The translated string. If omitted,
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# the source string is used.
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#
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# Results:
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# Returns the new locale.
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proc msgcat::mcflset {src {dest ""}} {
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variable FileLocale
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variable Msgs
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if {![info exists FileLocale]} {
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return -code error \
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"must only be used inside a message catalog loaded with ::msgcat::mcload"
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}
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if {[llength [info level 0]] == 2} { ;# dest not specified
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set dest $src
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}
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set ns [uplevel 1 [list ::namespace current]]
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dict set Msgs $FileLocale $ns $src $dest
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return $dest
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}
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# msgcat::mcmset --
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#
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# Set the translation for multiple strings in a specified locale.
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#
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# Arguments:
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# locale The locale to use.
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# pairs One or more src/dest pairs (must be even length)
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#
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# Results:
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# Returns the number of pairs processed
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proc msgcat::mcmset {locale pairs} {
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variable Msgs
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set length [llength $pairs]
|
||
|
|
if {$length % 2} {
|
||
|
|
return -code error "bad translation list:\
|
||
|
|
should be \"[lindex [info level 0] 0] locale {src dest ...}\""
|
||
|
|
}
|
||
|
|
|
||
|
|
set locale [string tolower $locale]
|
||
|
|
set ns [uplevel 1 [list ::namespace current]]
|
||
|
|
|
||
|
|
foreach {src dest} $pairs {
|
||
|
|
dict set Msgs $locale $ns $src $dest
|
||
|
|
}
|
||
|
|
|
||
|
|
return [expr {$length / 2}]
|
||
|
|
}
|
||
|
|
|
||
|
|
# msgcat::mcflmset --
|
||
|
|
#
|
||
|
|
# Set the translation for multiple strings in the mc file locale.
|
||
|
|
#
|
||
|
|
# Arguments:
|
||
|
|
# pairs One or more src/dest pairs (must be even length)
|
||
|
|
#
|
||
|
|
# Results:
|
||
|
|
# Returns the number of pairs processed
|
||
|
|
|
||
|
|
proc msgcat::mcflmset {pairs} {
|
||
|
|
variable FileLocale
|
||
|
|
variable Msgs
|
||
|
|
|
||
|
|
if {![info exists FileLocale]} {
|
||
|
|
return -code error \
|
||
|
|
"must only be used inside a message catalog loaded with ::msgcat::mcload"
|
||
|
|
}
|
||
|
|
set length [llength $pairs]
|
||
|
|
if {$length % 2} {
|
||
|
|
return -code error "bad translation list:\
|
||
|
|
should be \"[lindex [info level 0] 0] locale {src dest ...}\""
|
||
|
|
}
|
||
|
|
|
||
|
|
set ns [uplevel 1 [list ::namespace current]]
|
||
|
|
foreach {src dest} $pairs {
|
||
|
|
dict set Msgs $FileLocale $ns $src $dest
|
||
|
|
}
|
||
|
|
return [expr {$length / 2}]
|
||
|
|
}
|
||
|
|
|
||
|
|
# msgcat::mcunknown --
|
||
|
|
#
|
||
|
|
# This routine is called by msgcat::mc if a translation cannot
|
||
|
|
# be found for a string. This routine is intended to be replaced
|
||
|
|
# by an application specific routine for error reporting
|
||
|
|
# purposes. The default behavior is to return the source string.
|
||
|
|
# If additional args are specified, the format command will be used
|
||
|
|
# to work them into the traslated string.
|
||
|
|
#
|
||
|
|
# Arguments:
|
||
|
|
# locale The current locale.
|
||
|
|
# src The string to be translated.
|
||
|
|
# args Args to pass to the format command
|
||
|
|
#
|
||
|
|
# Results:
|
||
|
|
# Returns the translated value.
|
||
|
|
|
||
|
|
proc msgcat::mcunknown {locale src args} {
|
||
|
|
if {[llength $args]} {
|
||
|
|
return [format $src {*}$args]
|
||
|
|
} else {
|
||
|
|
return $src
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# msgcat::mcmax --
|
||
|
|
#
|
||
|
|
# Calculates the maximum length of the translated strings of the given
|
||
|
|
# list.
|
||
|
|
#
|
||
|
|
# Arguments:
|
||
|
|
# args strings to translate.
|
||
|
|
#
|
||
|
|
# Results:
|
||
|
|
# Returns the length of the longest translated string.
|
||
|
|
|
||
|
|
proc msgcat::mcmax {args} {
|
||
|
|
set max 0
|
||
|
|
foreach string $args {
|
||
|
|
set translated [uplevel 1 [list [namespace origin mc] $string]]
|
||
|
|
set len [string length $translated]
|
||
|
|
if {$len>$max} {
|
||
|
|
set max $len
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $max
|
||
|
|
}
|
||
|
|
|
||
|
|
# Convert the locale values stored in environment variables to a form
|
||
|
|
# suitable for passing to [mclocale]
|
||
|
|
proc msgcat::ConvertLocale {value} {
|
||
|
|
# Assume $value is of form: $language[_$territory][.$codeset][@modifier]
|
||
|
|
# Convert to form: $language[_$territory][_$modifier]
|
||
|
|
#
|
||
|
|
# Comment out expanded RE version -- bugs alleged
|
||
|
|
# regexp -expanded {
|
||
|
|
# ^ # Match all the way to the beginning
|
||
|
|
# ([^_.@]*) # Match "lanugage"; ends with _, ., or @
|
||
|
|
# (_([^.@]*))? # Match (optional) "territory"; starts with _
|
||
|
|
# ([.]([^@]*))? # Match (optional) "codeset"; starts with .
|
||
|
|
# (@(.*))? # Match (optional) "modifier"; starts with @
|
||
|
|
# $ # Match all the way to the end
|
||
|
|
# } $value -> language _ territory _ codeset _ modifier
|
||
|
|
if {![regexp {^([^_.@]+)(_([^.@]*))?([.]([^@]*))?(@(.*))?$} $value \
|
||
|
|
-> language _ territory _ codeset _ modifier]} {
|
||
|
|
return -code error "invalid locale '$value': empty language part"
|
||
|
|
}
|
||
|
|
set ret $language
|
||
|
|
if {[string length $territory]} {
|
||
|
|
append ret _$territory
|
||
|
|
}
|
||
|
|
if {[string length $modifier]} {
|
||
|
|
append ret _$modifier
|
||
|
|
}
|
||
|
|
return $ret
|
||
|
|
}
|
||
|
|
|
||
|
|
# Initialize the default locale
|
||
|
|
proc msgcat::Init {} {
|
||
|
|
global env
|
||
|
|
|
||
|
|
#
|
||
|
|
# set default locale, try to get from environment
|
||
|
|
#
|
||
|
|
foreach varName {LC_ALL LC_MESSAGES LANG} {
|
||
|
|
if {[info exists env($varName)] && ("" ne $env($varName))} {
|
||
|
|
if {![catch {
|
||
|
|
mclocale [ConvertLocale $env($varName)]
|
||
|
|
}]} {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#
|
||
|
|
# On Darwin, fallback to current CFLocale identifier if available.
|
||
|
|
#
|
||
|
|
if {[info exists ::tcl::mac::locale] && $::tcl::mac::locale ne ""} {
|
||
|
|
if {![catch {
|
||
|
|
mclocale [ConvertLocale $::tcl::mac::locale]
|
||
|
|
}]} {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#
|
||
|
|
# The rest of this routine is special processing for Windows or
|
||
|
|
# Cygwin. All other platforms, get out now.
|
||
|
|
#
|
||
|
|
if {([info sharedlibextension] ne ".dll")
|
||
|
|
|| [catch {package require registry}]} {
|
||
|
|
mclocale C
|
||
|
|
return
|
||
|
|
}
|
||
|
|
#
|
||
|
|
# On Windows or Cygwin, try to set locale depending on registry
|
||
|
|
# settings, or fall back on locale of "C".
|
||
|
|
#
|
||
|
|
|
||
|
|
# On Vista and later:
|
||
|
|
# HCU/Control Panel/Desktop : PreferredUILanguages is for language packs,
|
||
|
|
# HCU/Control Pannel/International : localName is the default locale.
|
||
|
|
#
|
||
|
|
# They contain the local string as RFC5646, composed of:
|
||
|
|
# [a-z]{2,3} : language
|
||
|
|
# -[a-z]{4} : script (optional, translated by table Latn->latin)
|
||
|
|
# -[a-z]{2}|[0-9]{3} : territory (optional, numerical region codes not used)
|
||
|
|
# (-.*)* : variant, extension, private use (optional, not used)
|
||
|
|
# Those are translated to local strings.
|
||
|
|
# Examples: de-CH -> de_ch, sr-Latn-CS -> sr_cs@latin, es-419 -> es
|
||
|
|
#
|
||
|
|
foreach key {{HKEY_CURRENT_USER\Control Panel\Desktop} {HKEY_CURRENT_USER\Control Panel\International}}\
|
||
|
|
value {PreferredUILanguages localeName} {
|
||
|
|
if {![catch {registry get $key $value} localeName]
|
||
|
|
&& [regexp {^([a-z]{2,3})(?:-([a-z]{4}))?(?:-([a-z]{2}))?(?:-.+)?$}\
|
||
|
|
[string tolower $localeName] match locale script territory]} {
|
||
|
|
if {"" ne $territory} {
|
||
|
|
append locale _ $territory
|
||
|
|
}
|
||
|
|
set modifierDict [dict create latn latin cyrl cyrillic]
|
||
|
|
if {[dict exists $modifierDict $script]} {
|
||
|
|
append locale @ [dict get $modifierDict $script]
|
||
|
|
}
|
||
|
|
if {![catch {mclocale [ConvertLocale $locale]}]} {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# then check value locale which contains a numerical language ID
|
||
|
|
if {[catch {
|
||
|
|
set locale [registry get $key "locale"]
|
||
|
|
}]} {
|
||
|
|
mclocale C
|
||
|
|
return
|
||
|
|
}
|
||
|
|
#
|
||
|
|
# Keep trying to match against smaller and smaller suffixes
|
||
|
|
# of the registry value, since the latter hexadigits appear
|
||
|
|
# to determine general language and earlier hexadigits determine
|
||
|
|
# more precise information, such as territory. For example,
|
||
|
|
# 0409 - English - United States
|
||
|
|
# 0809 - English - United Kingdom
|
||
|
|
# Add more translations to the WinRegToISO639 array above.
|
||
|
|
#
|
||
|
|
variable WinRegToISO639
|
||
|
|
set locale [string tolower $locale]
|
||
|
|
while {[string length $locale]} {
|
||
|
|
if {![catch {
|
||
|
|
mclocale [ConvertLocale [dict get $WinRegToISO639 $locale]]
|
||
|
|
}]} {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
set locale [string range $locale 1 end]
|
||
|
|
}
|
||
|
|
#
|
||
|
|
# No translation known. Fall back on "C" locale
|
||
|
|
#
|
||
|
|
mclocale C
|
||
|
|
}
|
||
|
|
msgcat::Init
|