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|
#!/usr/bin/tclsh
# Part of MCU 8051 IDE ( http://https://sourceforge.net/projects/mcu8051ide/ )
############################################################################
# Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 by Martin Ošmera #
# martin.osmera@gmail.com #
# #
# Copyright (C) 2014 by Moravia Microsystems, s.r.o. #
# martin.osmera@gmail.com #
# #
# This program is free software; you can redistribute it and#or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program; if not, write to the #
# Free Software Foundation, Inc., #
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #
############################################################################
# >>> File inclusion guard
if { ! [ info exists _SPELL_CHECK_TCL ] } {
set _SPELL_CHECK_TCL _
# <<< File inclusion guard
# --------------------------------------------------------------------------
# DESCRIPTION
# Spell checker interface used by the source code editor.
#
# Used spell checker is Hunspell.
#
#
# COMMUNICATION CONNECTIONS WITH HUNSPELL:
# -----------------------------------------
#
# +-------------------+ (4) +----------+ (5) +------------------+
# | receive_and_print | | | Hunspell | | | external_command |
# | (RAP) | ---> | | ---> | |
# +-------------------+ +----------+ +------------------+
# ^ |--(2) |--3
# (1)--| v v
# +--------------------------------------------------------+
# | spell_check |
# +--------------------------------------------------------+
#
# 1: Send a word to check along with commands to execute in case of correct and wrong spelling
# 2: Receive the identifier for IPC with the RAP (variable spellchecker_RAP_ID)
# 3: Receive response from the Hunspell via IPC
# 4: Send a word to check to the Hunspell via a pipe
# 5: Receive response from the Hunspell via a pipe
#
# --------------------------------------------------------------------------
## COMMON
public common spellchecker_enabled 0 ;# Bool: Flag spell checking enabled
public common spellchecker_dictionary {} ;# String: Dictionary to use (e.g. en_US or cs_CZ)
public common spellchecker_process_pid [list] ;# List of Ints: Process identifiers of the spell checker and support processes
public common spellchecker_command_LIFO [list] ;# List: LIFO for commands invoked by spell checker {correct_spelling_cmd wrong_spelling_cmd}
public common spellchecker_RAP_ID {} ;# String: Application name of ``receive_and_print'' for IPC
public common spellchecker_attempts_to_restart 0 ;# Int: Number of failed attempts to restart the spell checker process
public common spellchecker_started_flag ;# None: When this variable is set that means that the spell checker process has been started
public common spellchecker_start_failed 0 ;# Bool: Flag spellchecker_started_flag was set but the spell checker process was not actually started
public common spellchecker_start_timer {} ;# AfterTimer: Watch dog timer for start of of the spell checker process
public common available_dictionaries [list] ;# List of Strings: Dictionaries available to the Hunspell
public common hunspell_process {} ;# Channel: Hunspell process invoked by command open in order to gain list of dictionaries
## PRIVATE
private variable spellcheck_line_pre {} ;# String: Content of the line where change_detected_pre was performed
private variable spellcheck_line_number {} ;# Int: Number of the last line where change_detected_pre was performed, see spellcheck_check_all
private variable spellcheck_lock 0 ;# Bool: Inhibit method ``spellcheck_check_all''
## COMMON
## List: Language codes and language names according to: ISO-639-1
# Format:
# {
# { Language_Name Language_Code }
# ...
# }
public common LANGUAGE_CODES_AND_NAMES {
{{Abkhazian} {ab}} {{Afar} {aa}}
{{Afrikaans} {af}} {{Akan} {ak}}
{{Albanian} {sq}} {{Amharic} {am}}
{{Arabic} {ar}} {{Aragonese} {an}}
{{Armenian} {hy}} {{Assamese} {as}}
{{Avaric} {av}} {{Avestan} {ae}}
{{Aymara} {ay}} {{Azerbaijani} {az}}
{{Bambara} {bm}} {{Bashkir} {ba}}
{{Basque} {eu}} {{Belarusian} {be}}
{{Bengali} {bn}} {{Bihari languages} {bh}}
{{Bislama} {bi}} {{Bokmål, Norwegian} {nb}}
{{Bosnian} {bs}} {{Breton} {br}}
{{Bulgarian} {bg}} {{Burmese} {my}}
{{Castilian} {es}} {{Catalan} {ca}}
{{Central Khmer} {km}} {{Chamorro} {ch}}
{{Chechen} {ce}} {{Chewa} {ny}}
{{Chichewa} {ny}} {{Chinese} {zh}}
{{Chuang} {za}} {{Church Slavic} {cu}}
{{Church Slavonic} {cu}} {{Chuvash} {cv}}
{{Cornish} {kw}} {{Corsican} {co}}
{{Cree} {cr}} {{Croatian} {hr}}
{{Czech} {cs}} {{Danish} {da}}
{{Dhivehi} {dv}} {{Divehi} {dv}}
{{Dutch} {nl}} {{Dzongkha} {dz}}
{{English} {en}} {{Esperanto} {eo}}
{{Estonian} {et}} {{Ewe} {ee}}
{{Faroese} {fo}} {{Fijian} {fj}}
{{Finnish} {fi}} {{Flemish} {nl}}
{{French} {fr}} {{Fulah} {ff}}
{{Gaelic} {gd}} {{Galician} {gl}}
{{Ganda} {lg}} {{Georgian} {ka}}
{{German} {de}} {{Gikuyu} {ki}}
{{Greek, Modern} {el}} {{Greenlandic} {kl}}
{{Guarani} {gn}} {{Gujarati} {gu}}
{{Haitian} {ht}} {{Haitian Creole} {ht}}
{{Hausa} {ha}} {{Hebrew} {he}}
{{Herero} {hz}} {{Hindi} {hi}}
{{Hiri Motu} {ho}} {{Hungarian} {hu}}
{{Icelandic} {is}} {{Ido} {io}}
{{Igbo} {ig}} {{Indonesian} {id}}
{{Interlingue} {ie}} {{Inuktitut} {iu}}
{{Inupiaq} {ik}} {{Irish} {ga}}
{{Italian} {it}} {{Japanese} {ja}}
{{Javanese} {jv}} {{Kalaallisut} {kl}}
{{Kannada} {kn}} {{Kanuri} {kr}}
{{Kashmiri} {ks}} {{Kazakh} {kk}}
{{Kikuyu} {ki}} {{Kinyarwanda} {rw}}
{{Kirghiz} {ky}} {{Komi} {kv}}
{{Kongo} {kg}} {{Korean} {ko}}
{{Kuanyama} {kj}} {{Kurdish} {ku}}
{{Kwanyama} {kj}} {{Kyrgyz} {ky}}
{{Lao} {lo}} {{Latin} {la}}
{{Latvian} {lv}} {{Letzeburgesch} {lb}}
{{Limburgan} {li}} {{Limburger} {li}}
{{Limburgish} {li}} {{Lingala} {ln}}
{{Lithuanian} {lt}} {{Luba-Katanga} {lu}}
{{Luxembourgish} {lb}} {{Macedonian} {mk}}
{{Malagasy} {mg}} {{Malay} {ms}}
{{Malayalam} {ml}} {{Maldivian} {dv}}
{{Maltese} {mt}} {{Manx} {gv}}
{{Maori} {mi}} {{Marathi} {mr}}
{{Marshallese} {mh}} {{Moldavian} {ro}}
{{Moldovan} {ro}} {{Mongolian} {mn}}
{{Nauru} {na}} {{Navaho} {nv}}
{{Navajo} {nv}} {{Ndebele, North} {nd}}
{{Ndebele, South} {nr}} {{Ndonga} {ng}}
{{Nepali} {ne}} {{North Ndebele} {nd}}
{{Northern Sami} {se}} {{Norwegian} {no}}
{{Norwegian Bokmål} {nb}} {{Norwegian Nynorsk} {nn}}
{{Nuosu} {ii}} {{Nyanja} {ny}}
{{Nynorsk, Norwegian} {nn}} {{Occidental} {ie}}
{{Occitan} {oc}} {{Ojibwa} {oj}}
{{Old Bulgarian} {cu}} {{Old Church Slavonic} {cu}}
{{Old Slavonic} {cu}} {{Oriya} {or}}
{{Oromo} {om}} {{Ossetian} {os}}
{{Ossetic} {os}} {{Pali} {pi}}
{{Panjabi} {pa}} {{Pashto} {ps}}
{{Persian} {fa}} {{Polish} {pl}}
{{Portuguese} {pt}} {{Punjabi} {pa}}
{{Pushto} {ps}} {{Quechua} {qu}}
{{Romanian} {ro}} {{Romansh} {rm}}
{{Rundi} {rn}} {{Russian} {ru}}
{{Samoan} {sm}} {{Sango} {sg}}
{{Sanskrit} {sa}} {{Sardinian} {sc}}
{{Scottish Gaelic} {gd}} {{Serbian} {sr}}
{{Shona} {sn}} {{Sichuan Yi} {ii}}
{{Sindhi} {sd}} {{Sinhala} {si}}
{{Sinhalese} {si}} {{Slovak} {sk}}
{{Slovenian} {sl}} {{Somali} {so}}
{{Sotho, Southern} {st}} {{South Ndebele} {nr}}
{{Spanish} {es}} {{Sundanese} {su}}
{{Swahili} {sw}} {{Swati} {ss}}
{{Swedish} {sv}} {{Tagalog} {tl}}
{{Tahitian} {ty}} {{Tajik} {tg}}
{{Tamil} {ta}} {{Tatar} {tt}}
{{Telugu} {te}} {{Thai} {th}}
{{Tibetan} {bo}} {{Tigrinya} {ti}}
{{Tonga} {to}} {{Tsonga} {ts}}
{{Tswana} {tn}} {{Turkish} {tr}}
{{Turkmen} {tk}} {{Twi} {tw}}
{{Uighur} {ug}} {{Ukrainian} {uk}}
{{Urdu} {ur}} {{Uyghur} {ug}}
{{Uzbek} {uz}} {{Valencian} {ca}}
{{Venda} {ve}} {{Vietnamese} {vi}}
{{Volapük} {vo}} {{Walloon} {wa}}
{{Welsh} {cy}} {{Western Frisian} {fy}}
{{Wolof} {wo}} {{Xhosa} {xh}}
{{Yiddish} {yi}} {{Yoruba} {yo}}
{{Zhuang} {za}} {{Zulu} {zu}}
}
## List: Country codes with names of their flags file in directory ``${::ROOT_DIRNAME}/icons/flag/''
# Format:
# {
# { Country_Name Country_Code Flag_File_Name_Without_Extension }
# ...
# }
public common COUNTRY_CODES_AND_FLAGS {
{{Afghanistan} AF Afghanistan}
{{Åland Islands} AX {}}
{{Albania} AL Albania}
{{Algeria} DZ Algeria}
{{American Samoa} AS American_Samoa}
{{Andorra} AD Andorra}
{{Angola} AO Angola}
{{Anguilla} AI Anguilla}
{{Antarctica} AQ {}}
{{Antigua And Barbuda} AG Antigua_and_Barbuda}
{{Argentina} AR Argentina}
{{Armenia} AM Armenia}
{{Aruba} AW Aruba}
{{Australia} AU Australia}
{{Austria} AT Austria}
{{Azerbaijan} AZ Azerbaijan}
{{Bahamas} BS Bahamas}
{{Bahrain} BH Bahrain}
{{Bangladesh} BD Bangladesh}
{{Barbados} BB Barbados}
{{Belarus} BY Belarus}
{{Belgium} BE Belgium}
{{Belize} BZ Belize}
{{Benin} BJ Benin}
{{Bermuda} BM Bermuda}
{{Bhutan} BT Bhutan}
{{Bolivia, Plurinational State Of} BO Bolivia}
{{Bosnia And Herzegovina} BA Bosnia}
{{Botswana} BW Botswana}
{{Bouvet Island} BV {}}
{{Brazil} BR Brazil}
{{British Indian Ocean Territory} IO {}}
{{Brunei Darussalam} BN Brunei}
{{Bulgaria} BG Bulgaria}
{{Burkina Faso} BF Burkina_Faso}
{{Burundi} BI Burundi}
{{Cambodia} KH Cambodia}
{{Cameroon} CM Cameroon}
{{Canada} CA Canada}
{{Cape Verde} CV Cape_Verde}
{{Cayman Islands} KY Cayman_Islands}
{{Central African Republic} CF Central_African_Republic}
{{Chad} TD Chad}
{{Chile} CL Chile}
{{China} CN China}
{{Christmas Island} CX Christmas_Island}
{{Cocos (Keeling) Islands} CC {}}
{{Colombia} CO Colombia}
{{Comoros} KM Comoros}
{{Congo} CG Republic_of_the_Congo}
{{Congo, The Democratic Republic Of The} CD Democratic_Republic_of_the_Congo}
{{Cook Islands} CK Cook_Islands}
{{Costa Rica} CR Costa_Rica}
{{Côte D'Ivoire} CI Cote_dIvoire}
{{Croatia} HR Croatia}
{{Cuba} CU Cuba}
{{Cyprus} CY Cyprus}
{{Czech Republic} CZ Czech_Republic}
{{Denmark} DK Denmark}
{{Djibouti} DJ Djibouti}
{{Dominica} DM Dominica}
{{Dominican Republic} DO Dominican_Republic}
{{Ecuador} EC Ecuador}
{{Egypt} EG Egypt}
{{El Salvador} SV El_Salvador}
{{Equatorial Guinea} GQ Equatorial_Guinea}
{{Eritrea} ER Eritrea}
{{Estonia} EE Estonia}
{{Ethiopia} ET Ethiopia}
{{Falkland Islands (Malvinas)} FK Falkland_Islands}
{{Faroe Islands} FO Faroe_Islands}
{{Fiji} FJ Fiji}
{{Finland} FI Finland}
{{France} FR France}
{{French Guiana} GF {}}
{{French Polynesia} PF French_Polynesia}
{{French Southern Territories} TF {}}
{{Gabon} GA Gabon}
{{Gambia} GM Gambia}
{{Georgia} GE Georgia}
{{Germany} DE Germany}
{{Ghana} GH Ghana}
{{Gibraltar} GI Gibraltar}
{{Greece} GR Greece}
{{Greenland} GL Greenland}
{{Grenada} GD Grenada}
{{Guadeloupe} GP {}}
{{Guam} GU Guam}
{{Guatemala} GT Guatemala}
{{Guernsey} GG {}}
{{Guinea} GN Guinea}
{{Guinea-Bissau} GW Guinea_Bissau}
{{Guyana} GY Guyana}
{{Haiti} HT Haiti}
{{Heard Island And Mcdonald Islands} HM {}}
{{Holy See (Vatican City State)} VA {}}
{{Honduras} HN Honduras}
{{Hong Kong} HK Hong_Kong}
{{Hungary} HU Hungary}
{{Iceland} IS Iceland}
{{India} IN India}
{{Indonesia} ID Indonesia}
{{Iran, Islamic Republic Of} IR Iran}
{{Iraq} IQ Iraq}
{{Ireland} IE Ireland}
{{Isle Of Man} IM {}}
{{Israel} IL Israel}
{{Italy} IT Italy}
{{Jamaica} JM Jamaica}
{{Japan} JP Japan}
{{Jersey} JE {}}
{{Jordan} JO Jordan}
{{Kazakhstan} KZ Kazakhstan}
{{Kenya} KE Kenya}
{{Kiribati} KI Kiribati}
{{Korea, Democratic People'S Republic Of} KP North_Korea}
{{Korea, Republic Of} KR South_Korea}
{{Kuwait} KW Kuwait}
{{Kyrgyzstan} KG Kyrgyzstan}
{{Lao People'S Democratic Republic} LA Laos}
{{Latvia} LV Latvia}
{{Lebanon} LB Lebanon}
{{Lesotho} LS Lesotho}
{{Liberia} LR Liberia}
{{Libyan Arab Jamahiriya} LY Libya}
{{Liechtenstein} LI Liechtenstein}
{{Lithuania} LT Lithuania}
{{Luxembourg} LU Luxembourg}
{{Macao} MO Macao}
{{Macedonia, The Former Yugoslav Republic Of} MK Macedonia}
{{Madagascar} MG Madagascar}
{{Malawi} MW Malawi}
{{Malaysia} MY Malaysia}
{{Maldives} MV Maldives}
{{Mali} ML Mali}
{{Malta} MT Malta}
{{Marshall Islands} MH Marshall_Islands}
{{Martinique} MQ Martinique}
{{Mauritania} MR Mauritania}
{{Mauritius} MU Mauritius}
{{Mayotte} YT {}}
{{Mexico} MX Mexico}
{{Micronesia, Federated States Of} FM Micronesia}
{{Moldova, Republic Of} MD Moldova}
{{Monaco} MC Monaco}
{{Mongolia} MN Mongolia}
{{Montenegro} ME {}}
{{Montserrat} MS Montserrat}
{{Morocco} MA Morocco}
{{Mozambique} MZ Mozambique}
{{Myanmar} MM Myanmar}
{{Namibia} NA Namibia}
{{Nauru} NR Nauru}
{{Nepal} NP Nepal}
{{Netherlands} NL Netherlands}
{{Netherlands Antilles} AN Netherlands_Antilles}
{{New Caledonia} NC {}}
{{New Zealand} NZ New_Zealand}
{{Nicaragua} NI Nicaragua}
{{Niger} NE Niger}
{{Nigeria} NG Nigeria}
{{Niue} NU Niue}
{{Norfolk Island} NF Norfolk_Island}
{{Northern Mariana Islands} MP {}}
{{Norway} NO Norway}
{{Oman} OM Oman}
{{Pakistan} PK Pakistan}
{{Palau} PW Palau}
{{Palestinian Territory, Occupied} PS {}}
{{Panama} PA Panama}
{{Papua New Guinea} PG Papua_New_Guinea}
{{Paraguay} PY Paraguay}
{{Peru} PE Peru}
{{Philippines} PH Philippines}
{{Pitcairn} PN Pitcairn_Islands}
{{Poland} PL Poland}
{{Portugal} PT Portugal}
{{Puerto Rico} PR Puerto_Rico}
{{Qatar} QA Qatar}
{{Réunion} RE {}}
{{Romania} RO Romania}
{{Russian Federation} RU Russian_Federation}
{{Rwanda} RW Rwanda}
{{Saint Barthélemy} BL {}}
{{Saint Helena, Ascension And Tristan Da Cunha} SH {}}
{{Saint Kitts And Nevis} KN Saint_Kitts_and_Nevis}
{{Saint Lucia} LC Saint_Lucia}
{{Saint Martin} MF {}}
{{Saint Pierre And Miquelon} PM Saint_Pierre}
{{Saint Vincent And The Grenadines} VC Saint_Vicent_and_the_Grenadines}
{{Samoa} WS Samoa}
{{San Marino} SM San_Marino}
{{Sao Tome And Principe} ST Sao_Tome_and_Principe}
{{Saudi Arabia} SA Saudi_Arabia}
{{Senegal} SN Senegal}
{{Serbia} RS {}}
{{Seychelles} SC Seychelles}
{{Sierra Leone} SL Sierra_Leone}
{{Singapore} SG Singapore}
{{Slovakia} SK Slovakia}
{{Slovenia} SI Slovenia}
{{Solomon Islands} SB Soloman_Islands}
{{Somalia} SO Somalia}
{{South Africa} ZA South_Africa}
{{South Georgia And The South Sandwich Islands} GS South_Georgia}
{{Spain} ES Spain}
{{Sri Lanka} LK Sri_Lanka}
{{Sudan} SD Sudan}
{{Suriname} SR Suriname}
{{Svalbard And Jan Mayen} SJ {}}
{{Swaziland} SZ Swaziland}
{{Sweden} SE Sweden}
{{Switzerland} CH Switzerland}
{{Syrian Arab Republic} SY Syria}
{{Taiwan, Province Of China} TW Taiwan}
{{Tajikistan} TJ Tajikistan}
{{Tanzania, United Republic Of} TZ Tanzania}
{{Thailand} TH Thailand}
{{Timor-Leste} TL Timor-Leste}
{{Togo} TG Togo}
{{Tokelau} TK {}}
{{Tonga} TO Tonga}
{{Trinidad And Tobago} TT Trinidad_and_Tobago}
{{Tunisia} TN Tunisia}
{{Turkey} TR Turkey}
{{Turkmenistan} TM Turkmenistan}
{{Turks And Caicos Islands} TC Turks_and_Caicos_Islands}
{{Tuvalu} TV Tuvalu}
{{Uganda} UG Uganda}
{{Ukraine} UA Ukraine}
{{United Arab Emirates} AE UAE}
{{United Kingdom} GB United_Kingdom}
{{United States} US United_States_of_America}
{{United States Minor Outlying Islands} UM {}}
{{Uruguay} UY Uruguay}
{{Uzbekistan} UZ Uzbekistan}
{{Vanuatu} VU Vanuatu}
{{Vatican City State} VA Vatican_City}
{{Venezuela, Bolivarian Republic Of} VE Venezuela}
{{Viet Nam} VN Vietnam}
{{Virgin Islands, British} VG British_Virgin_Islands}
{{Virgin Islands, U.S.} VI US_Virgin_Islands}
{{Wallis And Futuna} WF Wallis_and_Futuna}
{{Western Sahara} EH {}}
{{Yemen} YE Yemen}
{{Zambia} ZM Zambia}
{{Zimbabwe} ZW Zimbabwe}
}
## Kill spell checker and its support processes
# @return void
proc kill_spellchecker_process {} {
# Reset some class variables
set ::Editor::spellchecker_RAP_ID {}
set ::Editor::spellchecker_command_LIFO [list]
# Abort if the spell checker process is not running
if {${::Editor::spellchecker_process_pid} == {}} {
return
}
# Kill the spell checker and its support processes
foreach pid ${::Editor::spellchecker_process_pid} {
if {$pid == [pid] || $pid == 0} {
continue
}
catch {
exec -- kill $pid 2>/dev/null
}
}
set ::Editor::spellchecker_process_pid {}
}
## Restart the spell checker process with new new configuration
# @return void
proc restart_spellchecker_process {} {
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
kill_spellchecker_process
if {[lsearch -ascii -exact ${::Editor::available_dictionaries} ${::Editor::spellchecker_dictionary}] == -1} {
set ::Editor::spellchecker_enabled 0
set ::Editor::spellchecker_dictionary {}
} else {
start_spellchecker_process
wait_for_spellchecker_process
}
}
## Start the spell checker (Hunspell) and its support processes
# @return void
proc start_spellchecker_process {} {
# Abort if either the feature is disabled or the Hunspell is not available
if {!${::Editor::spellchecker_enabled} || !${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Start watch dog timer
set ::Editor::spellchecker_start_timer [after 10000 {
set ::Editor::spellchecker_start_failed 1
set ::Editor::spellchecker_started_flag 1
}]
# Attempt to start the processes
if {[catch {
set ::Editor::spellchecker_process_pid [exec -- \
tclsh ${::LIB_DIRNAME}/receive_and_print.tcl \
[tk appname] \
::Editor::set_spellchecker_RAP_ID \
| hunspell \
-a \
-i utf8 \
-d ${::Editor::spellchecker_dictionary} \
| tclsh ${::LIB_DIRNAME}/external_command.tcl \
[tk appname] \
::Editor::spellchecker_exit_callback \
::Editor::spellchecker_receive_response \
& \
]
}]} then {
# FAILURE
set ::Editor::spellchecker_start_failed 1
set ::Editor::spellchecker_started_flag 1
}
}
## Wait until the spell checker (Hunspell) and its support processes are started
# @return void
proc wait_for_spellchecker_process {} {
# Abort if either the feature is disabled or the Hunspell is not available
if {!${::Editor::spellchecker_enabled} || !${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Wait until the spell checker (Hunspell) and its support processes are started
vwait ::Editor::spellchecker_started_flag
unset ::Editor::spellchecker_started_flag
# Stop the watch dog timer
catch {
after cancel ${::Editor::spellchecker_start_timer}
}
# Handle spellchecker start-up failure
if {${::Editor::spellchecker_start_failed}} {
# Set some class variables
set ::Editor::spellchecker_RAP_ID {}
set ::Editor::spellchecker_enabled 0
set ::Editor::spellchecker_start_failed 0
# Destroy the splash screen if displayed
if {[winfo exists .splash]} {
destroy .splash
}
# Display graphical error message
tk_messageBox \
-parent . \
-type ok \
-icon error \
-title [mc "Hunspell error"] \
-message [mc "Unable to start the spell checker. Please try to re-install the hunspell. Spell checking function will not be available"]
}
}
## Receive the identifier for IPC with the RAP
# @parm String id - Appname of the receive_and_print process
# @return void
proc set_spellchecker_RAP_ID {id} {
set ::Editor::spellchecker_RAP_ID $id
}
## Handle Hunspell process termination
#
# It is assumed that the process terminates only on some error condition or
# on an explicit request for termination. Aim of this method is attempt to
# restart the Hunspell process and its support processes if it crashed for any
# reason.
#
# @parm List args - Anything, it doesn't matter
# @return void
proc spellchecker_exit_callback {args} {
# Abort if the termination was intentional
if {${::Editor::spellchecker_RAP_ID} == {}} {
return
}
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
set ::Editor::spellchecker_RAP_ID {}
puts stderr "Spell checker process exited -- attempting to restart"
# Attempt to restart
incr ::Editor::spellchecker_attempts_to_restart
if {${::Editor::spellchecker_attempts_to_restart} < 10} {
start_spellchecker_process
} else {
puts stderr "Attempt to restart failed, to many attempts -- aborting"
set spellchecker_attempts_to_restart 0
}
}
## Receive response from the Hunspell
# @parm List args - One line of the response
# @return void
proc spellchecker_receive_response {args} {
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# We are interested only in the first field of the response
set response [string trim [lindex $args 0]]
# Handle the initial response (sent once the Hunspell is started)
if {[lindex $response 0] == {@(#)}} {
set spellchecker_command_LIFO [list]
set ::Editor::spellchecker_started_flag 1
return
}
# Decide what to do with the response
switch -- $response {
{} { ;# Empty response -- means nothing
}
{*} { ;# Word is correct
catch {
eval [lindex $spellchecker_command_LIFO {0 0}]
}
set spellchecker_command_LIFO [lreplace $spellchecker_command_LIFO 0 0]
}
default { ;# Everything else
catch {
eval [lindex $spellchecker_command_LIFO {0 1}]
}
set spellchecker_command_LIFO [lreplace $spellchecker_command_LIFO 0 0]
}
}
}
## Send a word to the Hunspell process for evaluation
# @parm String word - Work to check for correct spelling
# @parm String wrong_command = {} - Command to execute here if the word is badly spelled
# @parm String correct_command = {} - Command to execute here if the word is correctly spelled
# @return void
proc spellchecker_check_word {word {wrong_command {}} {correct_command {}}} {
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Abort if receive and print process has not been initialized
if {${::Editor::spellchecker_RAP_ID} == {}} {
return
}
# Append command to their queue
lappend spellchecker_command_LIFO [list $correct_command $wrong_command]
# Send the word to the Hunspell process
if {!${::MICROSOFT_WINDOWS}} {
::X::secure_send ${::Editor::spellchecker_RAP_ID} print_line "{$word}"
} else {
dde eval ${::Editor::spellchecker_RAP_ID} print_line "{$word}"
}
}
## Refresh list of available spell checker dictionaries (refresh in GUI)
# @return void
proc refresh_available_dictionaries {} {
# Abort if the Hunspell program is not available
if {!${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Set widget descriptor for the dictionary selection menu
set m {.spell_checker_conf_menu}
# Destroy the dictionary selection menu if it exists
if {[winfo exists $m]} {
destroy $m
}
# Create new dictionary selection menu
menu $m ;# Main part
menu $m.by_country ;# Cascade "Set dictionary by country"
menu $m.by_language ;# Cascade "Set dictionary by language"
# Define contents of the newly created menu
$m add command \
-label [mc "Refresh list of dictionaries"] \
-image ::ICONS::16::reload \
-compound left \
-command {
::Editor::refresh_available_dictionaries
::Editor::adjust_spell_checker_config_button
}
$m add command \
-label [mc "Turn off spell checking"] \
-image ::ICONS::16::exit \
-compound left \
-command {::Editor::switch_SC_dictionary {}}
$m add separator
$m add cascade \
-label [mc "Set dictionary by language"] \
-menu $m.by_language
$m add cascade \
-label [mc "Set dictionary by country"] \
-menu $m.by_country
## Get list of available Hunspell dictionaries
set ::Editor::available_dictionaries [list]
# Start watchdog timer for the Hunspell process
set spellchecker_start_timer [after 10000 {
catch {
close ${::Editor::hunspell_process}
}
}]
if {[catch {
# Run Hunspell in a mode in which it prints available dictionaries
if {!${::MICROSOFT_WINDOWS}} {
set hunspell_process [open {| /bin/sh -c "hunspell -D 2>&1 | awk '{print(\$0)} /^LOADED DICTIONARY/ {exit 0}' || exit 1"} "r"]
} else {
puts stderr "Sorry, this feature is not implemented on MS Windows yet."
error "Not available on Windows."
}
}]} then {
# Error condition
puts stderr "Unable to start the Hunspell process"
} else {
# Bool: Accept this line of output from the process
set accept_flag 0
# Read list of dictionaries (file names along with pats)
while {![eof $hunspell_process]} {
# Read line from the process
set line [gets $hunspell_process]
# Ignore everything besides section ``AVAILABLE DICTIONARIES''
if {![string first {AVAILABLE DICTIONARIES} $line]} {
set accept_flag 1
continue
} elseif {![string first {LOADED DICTIONARY:} $line]} {
break
} elseif {!$accept_flag} {
continue
}
# Determinate language code and country code and append it to the
#+ list of available dictionaries
set line [lindex [split $line [file separator]] end]
set line [split $line {_}]
if {[lindex $line 0] == {hyph}} {
continue
# set line [lreplace $line 0 0]
}
if {![string length [lindex $line 0]] || ![string length [lindex $line 1]]} {
continue
}
if {![string is alpha [lindex $line 0]] || ![string is alpha [lindex $line 1]]} {
continue
}
set dictionary [string tolower [lindex $line 0]]_[string toupper [lindex $line 1]]
if {[lsearch -ascii -exact ${::Editor::available_dictionaries} $dictionary] == -1} {
lappend ::Editor::available_dictionaries $dictionary
}
}
}
# Cancel the watchdog timer
catch {
after cancel $spellchecker_start_timer
}
# If there are no dictionaries available to use then abort right away
if {![llength ${::Editor::available_dictionaries}]} {
return
}
## Enrich the gained list with some additional information
#
# Format of the resulting list:
# {
# {Language_code Country_code Country_name Language_name Flag_icon}
# ...
# }
set available_dictionaries_complex [list]
foreach dictionary ${::Editor::available_dictionaries} {
# Determinate language code and country code
set dictionary [split $dictionary {_}] ;# List: Language and country codes, e.g. {en GB}
set language_code [lindex $dictionary 0] ;# String: Language code, e.g. "en"
set country_code [lindex $dictionary 1] ;# String: County code, e.g. "GB"
set country_and_flag {} ;# List: Country name and flag icon name, e.g. {"United Kingdom" United_Kingdom}
set country_name {} ;# String: Country name, e.g. "United Kingdom"
set flag_icon {} ;# String: Flag icon name, e.g. "United_Kingdom"
set language_name {} ;# String: Language name, e.g. "English"
# Determinate country name and flag file name
set idx [lsearch -ascii -exact -index 1 ${::Editor::COUNTRY_CODES_AND_FLAGS} $country_code]
if {$idx != -1} {
set country_and_flag [lindex ${::Editor::COUNTRY_CODES_AND_FLAGS} $idx]
set country_name [lindex $country_and_flag 0]
set flag_icon [lindex $country_and_flag 2]
} else {
set country_name $country_code
}
if {$flag_icon == {}} {
set flag_icon {empty}
}
# Determinate language name
set idx [lsearch -ascii -exact -index 1 ${::Editor::LANGUAGE_CODES_AND_NAMES} $language_code]
if {$idx != -1} {
set language_name [lindex ${::Editor::LANGUAGE_CODES_AND_NAMES} [list $idx 0]]
} else {
set language_name $language_code
}
if {$country_name == {}} {
set country_name {???}
}
if {$language_name == {}} {
set language_name {???}
}
# Append item to the resulting list
lappend available_dictionaries_complex [list $language_code $country_code [mc $country_name] [mc $language_name] $flag_icon]
}
# Generate content of the "Set by country" menu
set local_menu {}
set capital_leter {}
set last_capital_leter {}
foreach dictionary [lsort -dictionary -index 2 [lsort -dictionary -index 3 $available_dictionaries_complex]] {
# Gain some facts about the dictionary file
set language_code [lindex $dictionary 0]
set country_code [lindex $dictionary 1]
set country_name [lindex $dictionary 2]
set language_name [lindex $dictionary 3]
set flag_icon [lindex $dictionary 4]
# Create sub-menu if necessary
set capital_leter [string toupper [string index $country_name 0]]
if {$capital_leter != $last_capital_leter} {
set last_capital_leter $capital_leter
set local_menu [menu $m.by_country.m_[string tolower $capital_leter]]
$m.by_country add cascade -label "$capital_leter ..." -menu $local_menu
}
# Create the menu item
$local_menu add command \
-command "::Editor::switch_SC_dictionary {${language_code}_${country_code}}" \
-label "$country_name ($language_name)" \
-image ::ICONS::flag::$flag_icon \
-compound left
}
# Generate content of the "Set by language" menu
set local_menu {}
set capital_leter {}
set last_capital_leter {}
foreach dictionary [lsort -dictionary -index 3 [lsort -dictionary -index 2 $available_dictionaries_complex]] {
# Gain some facts about the dictionary file
set language_code [lindex $dictionary 0]
set country_code [lindex $dictionary 1]
set country_name [lindex $dictionary 2]
set language_name [lindex $dictionary 3]
set flag_icon [lindex $dictionary 4]
# Create sub-menu if necessary
set capital_leter [string toupper [string index $language_name 0]]
if {$capital_leter != $last_capital_leter} {
set last_capital_leter $capital_leter
set local_menu [menu $m.by_language.m_[string tolower $capital_leter]]
$m.by_language add cascade -label "$capital_leter ..." -menu $local_menu
}
# Create the menu item
$local_menu add command \
-command "::Editor::switch_SC_dictionary {${language_code}_${country_code}}" \
-label "$language_name ($country_name)" \
-image ::ICONS::flag::$flag_icon \
-compound left
}
}
## Switch current dictionary
# @parm String dictionary - Dictionary name like: ``en_GB'' or ``en_AU''
# @return void
proc switch_SC_dictionary {dictionary} {
# Abort if the Hunspell program is not available
if {!${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Chech whether the requested dictionary is available
if {[lsearch -ascii -exact ${::Editor::available_dictionaries} $dictionary] == -1} {
set dictionary {}
}
# Empty dictionary name means disable the feature
if {[string length $dictionary]} {
set ::Editor::spellchecker_enabled 1
} else {
set ::Editor::spellchecker_enabled 0
}
# Adjust configuration button
.statusbarSB configure \
-image ::ICONS::16::player_time \
-text "<>"
# Clear spell checker's tags in all text editors
foreach project ${::X::openedProjects} {
foreach editor [$project cget -editors] {
$editor spellchecker_clear_tags
}
}
# Switch the dictionary
set ::Editor::spellchecker_dictionary $dictionary
restart_spellchecker_process
adjust_spell_checker_config_button
# Refresh all editors
foreach project ${::X::openedProjects} {
foreach editor [$project cget -editors] {
$editor parseAll
}
}
}
## Adjust spell checker configuration button to current spell checker configuration
# @return void
proc adjust_spell_checker_config_button {} {
# Abort if the Hunspell program is not available
if {!${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Spell checker configuration menu
set m {.spell_checker_conf_menu}
## Spell checker is DISABLED
if {!$::Editor::spellchecker_enabled} {
$m entryconfigure [mc "Turn off spell checking"] -state disabled
.statusbarSB configure \
-image ::ICONS::flag::empty \
-text "none"
## Spell checker is ENABLED
} else {
$m entryconfigure [mc "Turn off spell checking"] -state normal
set c_l [split ${::Editor::spellchecker_dictionary} {_}]
set idx [lsearch -ascii -exact -index 1 ${::Editor::COUNTRY_CODES_AND_FLAGS} [lindex $c_l 1]]
if {$idx != -1} {
set flag_icon [lindex ${::Editor::COUNTRY_CODES_AND_FLAGS} [list $idx 2]]
} else {
set flag_icon {empty}
}
.statusbarSB configure \
-image ::ICONS::flag::$flag_icon \
-text [lindex $c_l 0]
}
}
## By calling this method we mark the target line as something which is a subject for a change
# Purpose is to handle insertions of single characters and deletions of single characters
# @note This method inhibits method spellcheck_check_all until spellcheck_change_detected_post is called
# @see spellcheck_change_detected_post
# @parm Int line_number = {} - Number of the target line, {} means the current line
# @return void
private method spellcheck_change_detected_pre {{line_number {}}} {
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Abort conditions
if {!$spellchecker_enabled || !${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
# Inhibit method spellcheck_check_all until spellcheck_change_detected_post is called
set spellcheck_lock 1
# Adjust parameters
if {$line_number == {}} {
set line_number [expr {int([$editor index insert])}]
}
# Store the target line
set spellcheck_line_number $line_number
set spellcheck_line_pre [$editor get [list $line_number.0 linestart] [list $line_number.0 lineend]]
}
## By calling this method we finalize the process started by calling to method spellcheck_change_detected_pre
# Purpose is to handle insertions of single characters and deletions of single characters
# @see spellcheck_change_detected_pre
# @parm Int line_number = {} - Number of the target line, {} means the current line
# @return void
private method spellcheck_change_detected_post {{line_number {}}} {
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Abort conditions
if {!$spellchecker_enabled || !${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
# cancel the inhibition of method spellcheck_check_all
set spellcheck_lock 0
# Adjust parameters
if {$line_number == {}} {
set line_number [expr {int([$editor index insert])}]
}
# Determinate ranges of text indexes delimiting strings to check for spelling
if {$prog_language == -1} {
set target_ranges [list [list $line_number.0 [$editor index [list $line_number.0 lineend]]]]
} else {
set target_ranges [list]
set range [list $line_number.0 $line_number.0]
while {1} {
set range [concat \
[$editor tag nextrange tag_comment [lindex $range 1] [list $line_number.0 lineend]] \
[$editor tag nextrange tag_c_comment [lindex $range 1] [list $line_number.0 lineend]] \
[$editor tag nextrange tag_c_dox_comment [lindex $range 1] [list $line_number.0 lineend]] \
]
if {![llength $range]} {
break
}
lappend target_ranges $range
}
}
# Gain entire line from the editor
set line [$editor get [list $line_number.0 linestart] [list $line_number.0 lineend]]
if {[string length $line] > [string length $spellcheck_line_pre]} {
set new_longer_that_org 1
} else {
set new_longer_that_org 0
}
# Compare the line to its previous content and check changed word(s)
set fixed_shift 0 ;# Total pre string shift from all cycles
set force_check 0 ;# Enforce spell check of the next word regardless the comparison
foreach range $target_ranges {
# Determinate start and end column
scan [lindex $range 0] {%d.%d} _ start
scan [lindex $range 1] {%d.%d} _ end
set word {} ;# String: Word to check
set char {} ;# Char: Character gained from the source line
set idx_pre $start ;# Int: Index in $spellcheck_line_pre
set word_len 0 ;# Int: Length of the word
set skip_word 0 ;# Bool: Flag skip this one word
set change_detected 0 ;# Bool: Flag the word was changed
set char_next [string index $line $start] ;# Char: Same as char but maybe a little ahead
# Take into accound shift from previous cycles
incr idx_pre $fixed_shift
for {set idx $start} {$idx < $end} {incr idx; incr idx_pre} {
set char $char_next
set char_next [string index $line [expr {$idx + 1}]]
set char_pre_next [string index $spellcheck_line_pre [expr {$idx_pre + 1}]]
set char_pre [string index $spellcheck_line_pre $idx_pre]
if {[string is alnum $char]} {
# If the word contains one or more digits, skip it, digits in a word
#+ would cause Hunspell to behave in a way that we don't want here
if {[string is digit $char]} {
set skip_word 1
}
# Lines are different
if {$char_pre != $char} {
set change_detected 1
# Character deleted -- shift the pre string >> 1
if {$char_pre_next == $char && !$new_longer_that_org} {
incr idx_pre
incr fixed_shift
# Character inserted -- shift the pre string << 1
} elseif {$char_pre == $char_next && $new_longer_that_org} {
incr idx_pre -1
incr fixed_shift -1
}
# Character appended at the end of the word -- shift the pre string << 1,
#+ and check for the next word unconditionally
} elseif {
[string is alnum $char_pre_next]
&&
![string is alnum $char_next]
&&
$char_pre_next != $char_next
} then {
incr idx_pre -1
incr fixed_shift -1
set change_detected 1
set force_check 1
}
# Append the character to the word
append word $char
incr word_len
# This is not the last character in the line
if {$idx < ($end - 1)} {
continue
# This IS the last character in the line
} else {
incr idx
}
}
# Skip empty words
if {!$word_len} {
continue
}
# Send the word to the spell checker
if {$change_detected && !$skip_word} {
set change_detected 0
$editor tag remove tag_wrong_spelling $line_number.$idx-${word_len}c-1c $line_number.$idx
spellchecker_check_word $word \
[list $editor tag add tag_wrong_spelling $line_number.$idx-${word_len}c $line_number.$idx] \
[list $editor tag remove tag_wrong_spelling $line_number.$idx-${word_len}c $line_number.$idx]
}
# Enforce spell check of the next word regardless the comparison
if {$force_check} {
set force_check 0
set change_detected 1
}
# Reset
set word {}
set word_len 0
set skip_word 0
}
}
}
## Check spelling on the specified line
#
# This method will not perform the task if $spellcheck_line_number is equal to
# the given source line, unless the force parameter is set to true.
# @note
# Spell checking is performed only for comments unless the programming language
# is not specified
# @parm Int line_number - Number of line to check
# @parm Int force = 0 - 1: Force the method to perform the spell check; 2: Force even over $spellcheck_lock
# @return void
public method spellcheck_check_all {line_number {force 0}} {
# This function was not yet ported to MS Windows
if {$::MICROSOFT_WINDOWS} {
return
}
# Abort conditions
if {($force != 2 && $spellcheck_lock) || !$spellchecker_enabled || !${::PROGRAM_AVAILABLE(hunspell)}} {
return
}
if {!$force && ($spellcheck_line_number != $line_number)} {
return
}
set spellcheck_line_number {}
# Remove bad spelling tags
$editor tag remove tag_wrong_spelling $line_number.0 [list $line_number.0 lineend]
# Determinate ranges of text indexes delimiting strings to check for spelling
if {$prog_language == -1} {
set target_ranges [list [list $line_number.0 [$editor index [list $line_number.0 lineend]]]]
} else {
set target_ranges [list]
set range [list $line_number.0 $line_number.0]
while {1} {
set range [concat \
[$editor tag nextrange tag_comment [lindex $range 1] [list $line_number.0 lineend]] \
[$editor tag nextrange tag_c_comment [lindex $range 1] [list $line_number.0 lineend]] \
[$editor tag nextrange tag_c_dox_comment [lindex $range 1] [list $line_number.0 lineend]] \
]
if {![llength $range]} {
break
}
lappend target_ranges $range
}
}
# Gain entire line from the editor
set line [$editor get $line_number.0 [list $line_number.0 lineend]]
# Check spelling for the given ranges
foreach range $target_ranges {
# Determinate start and end column
scan [lindex $range 0] {%d.%d} _ start
scan [lindex $range 1] {%d.%d} _ end
set word {} ;# String: Word to check
set char {} ;# Char: Character gained from the source line
set word_len 0 ;# Int: Length of the word
set skip_word 0 ;# Bool: Flag skip this one word
# Iterate over characters in the source line
for {set idx $start} {$idx < $end} {incr idx} {
set char [string index $line $idx]
if {[string is alnum $char]} {
# If the word contains one or more digits, skip it digits in a word
#+ would cause Hunspell to behave in a way that we don't want here
if {[string is digit $char]} {
set skip_word 1
}
# Append the character to the word
append word $char
incr word_len
# This is not the last character in the line
if {$idx < ($end - 1)} {
continue
# This IS the last character in the line
} else {
incr idx
}
}
# Skip empty words
if {!$word_len} {
continue
}
# Send the word to the spell checker
if {!$skip_word} {
spellchecker_check_word \
$word \
[list $editor tag add tag_wrong_spelling $line_number.$idx-${word_len}c $line_number.$idx]
}
# Reset
set word {}
set word_len 0
set skip_word 0
}
}
}
## Clear all tags marking the misspelled words
# @return void
public method spellchecker_clear_tags {} {
$editor tag remove tag_wrong_spelling 0.0 end
}
# >>> File inclusion guard
}
# <<< File inclusion guard
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