core: add syntax highlighting in evaluation of expressions, add optio…

…n weechat.color.eval_syntax_colors (issue #2042)

Syntax highlighting (raw string without evaluation): `${raw_hl:xxx}`
Syntax highlighting: `${hl:xxx}`

ChangeLog.adoc

@@ -15,6 +15,7 @@ For a list of important changes that require manual actions, please look at rele
 
 New features::
 
+  * core: add syntax highlighting in evaluation of expressions with `raw_hl:string` and `hl:string`, add option weechat.color.eval_syntax_colors (issue #2042)
   * core: add option `search_history` in command `/input`, add key kbd:[Ctrl+r] to search in commands history, add key context "histsearch" (issue #2040)
   * core: add option weechat.look.buffer_search_history (issue #2040)
   * core: add key kbd:[Ctrl+o] to send command found and insert next one in input (issue #2040)

doc/en/weechat_plugin_api.en.adoc

@@ -2567,7 +2567,7 @@ str3 = weechat.string_input_for_buffer("//test")  # "/test"
 ==== string_eval_expression
 
 _WeeChat ≥ 0.4.0, updated in 0.4.2, 0.4.3, 1.0, 1.1, 1.2, 1.3, 1.6, 1.8, 2.0,
-2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0._
+2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0, 4.2.0._
 
 Evaluate an expression and return result as a string.
 Special variables with format `+${variable}+` are expanded (see table below).
@@ -2900,11 +2900,21 @@ expanded to last):
 |===
 | Format | Min WeeChat | Description | Examples
 
+| `+${raw_hl:xxx}+` | 4.2.0
+| Raw string (not evaluated), with syntax highlighting (using colors).
+| >> `+${raw_hl:${cut:1,,${rev:hello}}}+` +
+  == `+${cut:1,,${rev:hello}}+` (with colors)
+
 | `+${raw:xxx}+` | 3.1
 | Raw string (not evaluated).
 | >> `+${raw:${info:version}}+` +
   == `+${info:version}+`
 
+| `+${hl:xxx}+` | 4.2.0
+| String with syntax highlighting (using colors).
+| >> `+${hl:${file.section.option}}+` +
+  == `+test ${variable}+` (with colors)
+
 | `+${name}+` | 3.4
 | User variable (defined with `+${define:name,value}+`).
 | >> `+${name}+` +

doc/fr/weechat_plugin_api.fr.adoc

@@ -2613,7 +2613,7 @@ str3 = weechat.string_input_for_buffer("//test")  # "/test"
 ==== string_eval_expression
 
 _WeeChat ≥ 0.4.0, mis à jour dans la 0.4.2, 0.4.3, 1.0, 1.1, 1.2, 1.3, 1.6, 1.8,
-2.0, 2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0._
+2.0, 2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0, 4.2.0._
 
 Évaluer l'expression et retourner le résultat sous forme de chaîne.
 Les variables spéciales avec le format `+${variable}+` sont étendues (voir le
@@ -2952,11 +2952,22 @@ première étendue à la dernière) :
 |===
 | Format | WeeChat mini | Description | Exemples
 
+| `+${raw_hl:xxx}+` | 4.2.0
+| Chaîne brute (non évaluée), avec mise en évidence de la syntaxe (en utilisant
+  des couleurs).
+| >> `+${raw_hl:${cut:1,,${rev:hello}}}+` +
+  == `+${cut:1,,${rev:hello}}+` (avec des couleurs)
+
 | `+${raw:xxx}+` | 3.1
 | Chaîne brute (non évaluée).
 | >> `+${raw:${info:version}}+` +
   == `+${info:version}+`
 
+| `+${hl:xxx}+` | 4.2.0
+| Chaîne avec mise en évidence de la syntaxe (en utilisant des couleurs).
+| >> `+${hl:${fichier.section.option}}+` +
+  == `+test ${variable}+` (avec des couleurs)
+
 | `+${nom}+` | 3.4
 | Variable définie par l'utilisateur (avec `+${define:nom,valeur}+`).
 | >> `+${nom}+` +

doc/it/weechat_plugin_api.it.adoc

@@ -2717,7 +2717,7 @@ str3 = weechat.string_input_for_buffer("//test")  # "/test"
 ==== string_eval_expression
 
 _WeeChat ≥ 0.4.0, updated in 0.4.2, 0.4.3, 1.0, 1.1, 1.2, 1.3, 1.6, 1.8, 2.0,
-2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0._
+2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0, 4.2.0._
 
 Evaluate an expression and return result as a string.
 Special variables with format `+${variable}+` are expanded (see table below).
@@ -3050,11 +3050,21 @@ expanded to last):
 |===
 | Format | Min WeeChat | Description | Examples
 
+| `+${raw_hl:xxx}+` | 4.2.0
+| Raw string (not evaluated), with syntax highlighting (using colors).
+| >> `+${raw_hl:${cut:1,,${rev:hello}}}+` +
+  == `+${cut:1,,${rev:hello}}+` (with colors)
+
 | `+${raw:xxx}+` | 3.1
 | Raw string (not evaluated).
 | >> `+${raw:${info:version}}+` +
   == `+${info:version}+`
 
+| `+${hl:xxx}+` | 4.2.0
+| String with syntax highlighting (using colors).
+| >> `+${hl:${file.section.option}}+` +
+  == `+test ${variable}+` (with colors)
+
 | `+${name}+` | 3.4
 | User variable (defined with `+${define:name,value}+`).
 | >> `+${name}+` +

doc/ja/weechat_plugin_api.ja.adoc

@@ -2637,7 +2637,7 @@ str3 = weechat.string_input_for_buffer("//test")  # "/test"
 
 // TRANSLATION MISSING
 _WeeChat ≥ 0.4.0, updated in 0.4.2, 0.4.3, 1.0, 1.1, 1.2, 1.3, 1.6, 1.8, 2.0,
-2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0._
+2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6, 3.8, 4.0.0, 4.2.0._
 
 式を評価して文字列として返す。`+${variable}+`
 という書式で書かれた特殊変数は展開されます (以下の表を参照)。
@@ -2980,12 +2980,24 @@ str5 = weechat.string_eval_expression("password=abc password=def", {}, {}, optio
 // TRANSLATION MISSING
 | 書式 | Min WeeChat | 説明 | 例
 
+// TRANLSATION MISSING
+| `+${raw_hl:xxx}+` | 4.2.0
+| Raw string (not evaluated), with syntax highlighting (using colors).
+| >> `+${raw_hl:${cut:1,,${rev:hello}}}+` +
+  == `+${cut:1,,${rev:hello}}+` (with colors)
+
 // TRANSLATION MISSING
 | `+${raw:xxx}+` | 3.1
 | Raw string (not evaluated).
 | >> `+${raw:${info:version}}+` +
   == `+${info:version}+`
 
+// TRANSLATION MISSING
+| `+${hl:xxx}+` | 4.2.0
+| String with syntax highlighting (using colors).
+| >> `+${hl:${file.section.option}}+` +
+  == `+test ${variable}+` (with colors)
+
 // TRANSLATION MISSING
 | `+${name}+` | 3.4
 | User variable (defined with `+${define:name,value}+`).

doc/sr/weechat_plugin_api.sr.adoc

@@ -2479,7 +2479,7 @@ str3 = weechat.string_input_for_buffer("//test")  # "/test"
 
 ==== string_eval_expression
 
-_WeeChat ≥ 0.4.0, ажурирано у верзијама 0.4.2, 0.4.3, 1.0, 1.1, 1.2, 1.3, 1.6, 1.8, 2.0, 2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6 и 3.8, 4.0.0._
+_WeeChat ≥ 0.4.0, ажурирано у верзијама 0.4.2, 0.4.3, 1.0, 1.1, 1.2, 1.3, 1.6, 1.8, 2.0, 2.2, 2.3, 2.7, 2.9, 3.1, 3.2, 3.3, 3.4, 3.6 и 3.8, 4.0.0, 4.2.0._
 
 Израчунава израз и враћа вредност као стринг. Специјалне променљиве у формату `+${променљива}+` се развијају (погледајте табелу испод).
 
@@ -2789,11 +2789,23 @@ str5 = weechat.string_eval_expression("password=abc password=def", {}, {}, optio
 |===
 | Формат | Мин WeeChat | Опис | Примери
 
+// TRANLSATION MISSING
+| `+${raw_hl:xxx}+` | 4.2.0
+| Raw string (not evaluated), with syntax highlighting (using colors).
+| >> `+${raw_hl:${cut:1,,${rev:hello}}}+` +
+  == `+${cut:1,,${rev:hello}}+` (with colors)
+
 | `+${raw:xxx}+` | 3.1
 | Сирови стринг (не израчунава се).
 | >> `+${raw:${info:version}}+` +
   == `+${info:version}+`
 
+// TRANSLATION MISSING
+| `+${hl:xxx}+` | 4.2.0
+| String with syntax highlighting (using colors).
+| >> `+${hl:${file.section.option}}+` +
+  == `+test ${variable}+` (with colors)
+
 | `+${име}+` | 3.4
 | Корисничка променљива (дефинисана са `+${define:име,вредност}+`).
 | >> `+${име}+` +

po/cs.po

@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-11-11 08:54+0100\n"
+"POT-Creation-Date: 2023-11-23 08:13+0100\n"
 "PO-Revision-Date: 2023-10-20 13:09+0200\n"
 "Last-Translator: Ondřej Súkup <mimi.vx@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -4792,6 +4792,19 @@ msgid ""
 "(default value)"
 msgstr ""
 
+#. TRANSLATORS: please do not translate "lightred:blue"
+#, fuzzy
+#| msgid ""
+#| "text color for nicks (comma separated list of colors, background is "
+#| "allowed with format: \"fg:bg\", for example: \"lightred:blue\")"
+msgid ""
+"text color for syntax highlighting in evaluated strings, with "
+"\"${raw_hl:...}\" and \"${hl:...}\" (comma separated list of colors, "
+"background is allowed with format: \"fg:bg\", for example: \"lightred:blue\")"
+msgstr ""
+"barva textu pro přezdívky (čárkou oddělený seznam barev, pozadí je povoleno "
+"ve formátu: \"fg:bg\", například: \"lightred:blue\")"
+
 msgid "text color for actions in input line"
 msgstr "barva textu pro akce ve vstupní řádce"
 
@@ -5696,6 +5709,9 @@ msgstr "Základní barvy WeeChat:"
 msgid "Nick colors:"
 msgstr "Barvy přezdívky:"
 
+msgid "Syntax highlighting colors in evaluated strings:"
+msgstr ""
+
 msgid "Color aliases:"
 msgstr "Aliasy barev:"
 

po/de.po

@@ -26,7 +26,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-11-11 08:54+0100\n"
+"POT-Creation-Date: 2023-11-23 08:13+0100\n"
 "PO-Revision-Date: 2023-11-11 13:49+0100\n"
 "Last-Translator: Nils Görs <weechatter@arcor.de>\n"
 "Language-Team: German <kde-i18n-de@kde.org>\n"
@@ -2199,7 +2199,6 @@ msgstr "> raw[search_text_here]: Textsuche, im Buffer, ab aktueller Position"
 msgid "> raw[search_text]: search text in buffer"
 msgstr "> raw[search_text]: Textsuche im Buffer"
 
-#| msgid "> raw[search_text]: search text in buffer"
 msgid "> raw[search_history]: search text in command line history"
 msgstr "> raw[search_history]: suche Text im Befehlszeilenverlauf"
 
@@ -2348,10 +2347,10 @@ msgid ""
 "search or recalled with \"up\"key) and insert the next history entry in the "
 "command line without sending it"
 msgstr ""
-"> raw[history_use_get_next]: sendet den aktuellen Verlaufseintrag (welcher"
-" mit der Suche gefunden wurde oder mit der „Auf“-Taste ausgewählt wurde) und"
-" fügt den nächsten Verlaufseintrag in die Befehlszeile ein, ohne diesen zu"
-" senden"
+"> raw[history_use_get_next]: sendet den aktuellen Verlaufseintrag (welcher "
+"mit der Suche gefunden wurde oder mit der „Auf“-Taste ausgewählt wurde) und "
+"fügt den nächsten Verlaufseintrag in die Befehlszeile ein, ohne diesen zu "
+"senden"
 
 msgid ""
 "> raw[grab_key]: grab a key (optional argument: delay for end of grab, "
@@ -4357,8 +4356,8 @@ msgstr ""
 msgid ""
 "default text search command line history: local (buffer) or global history"
 msgstr ""
-"Standard-Befehlszeilenverlauf für die Textsuche: lokaler (Buffer) oder"
-" globaler Verlauf"
+"Standard-Befehlszeilenverlauf für die Textsuche: lokaler (Buffer) oder "
+"globaler Verlauf"
 
 msgid ""
 "force default values for text search in buffer (instead of using values from "
@@ -5437,6 +5436,20 @@ msgstr ""
 "Textsuche); wird ausschließlich dann genutzt, falls die Einstellung weechat."
 "look.emphasized_attributes keinen Eintrag besitzt (Standardwert)"
 
+#. TRANSLATORS: please do not translate "lightred:blue"
+#, fuzzy
+#| msgid ""
+#| "text color for nicks (comma separated list of colors, background is "
+#| "allowed with format: \"fg:bg\", for example: \"lightred:blue\")"
+msgid ""
+"text color for syntax highlighting in evaluated strings, with "
+"\"${raw_hl:...}\" and \"${hl:...}\" (comma separated list of colors, "
+"background is allowed with format: \"fg:bg\", for example: \"lightred:blue\")"
+msgstr ""
+"Textfarbe für Nicks (durch Kommata getrennte Liste von Farben. Eine "
+"Hintergrundfarbe kann durch das folgende Format genutzt werden: \"fg:bg\". "
+"Zum Beispiel: \"lightred:blue\")"
+
 msgid "text color for actions in input line"
 msgstr ""
 "Textfarbe in der Eingabezeile bei Aktivität (z.B. beim Einfügen von Zeilen)"
@@ -6437,6 +6450,9 @@ msgstr "WeeChat Basisfarben:"
 msgid "Nick colors:"
 msgstr "Farben für Nicks:"
 
+msgid "Syntax highlighting colors in evaluated strings:"
+msgstr ""
+
 msgid "Color aliases:"
 msgstr "Farbnamen:"
 
@@ -6594,11 +6610,9 @@ msgstr "lokal"
 msgid "global"
 msgstr "global"
 
-#| msgid "Search"
 msgid "Search lines"
 msgstr "Suche Zeilen"
 
-#| msgid "default command:"
 msgid "Search command"
 msgstr "Suche Befehl"
 
@@ -16407,8 +16421,7 @@ msgstr "verwaltet Trigger, das Schweizer Armeemesser für WeeChat"
 msgid ""
 "list [-o|-ol|-i|-il] || listfull || listdefault || add|addoff|addreplace "
 "<name> <hook> "
-"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<"
-"return_code>\" [\"<post_action>\"]]]]]] "
+"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<return_code>\" [\"<post_action>\"]]]]]] "
 "|| addinput [<hook>] || input|output|recreate <name> || set <name> <option> "
 "<value> || rename|copy <name> <new_name> || enable|disable|toggle [<name>|"
 "<mask> [<name>|<mask>...]] || restart <name>|<mask> [<name>|<mask>...] || "
@@ -16417,8 +16430,7 @@ msgid ""
 msgstr ""
 "list [-o|-ol|-i|-il] || listfull || listdefault || add|addoff|addreplace "
 "<name> <hook> "
-"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<"
-"return_code>\" [\"<post_action>\"]]]]]] "
+"[\"<arguments>\" [\"<conditions>\" [\"<regex>\" [\"<command>\" [\"<return_code>\" [\"<post_action>\"]]]]]] "
 "|| addinput [<hook>] || input|output|recreate <name> || set <name> <option> "
 "<value> || rename|copy <name> <new_name> || enable|disable|toggle [<name>|"
 "<mask> [<name>|<mask>...]] || restart <name>|<mask> [<name>|<mask>...] || "
@@ -17416,4 +17428,3 @@ msgstr "%s%s: Zeitüberschreitung für \"%s\" mit %s"
 msgid "%s%s: unable to connect: unexpected error (%d)"
 msgstr ""
 "%s%s: Verbindung konnte nicht hergestellt werden: unerwarteter Fehler (%d)"
-

po/es.po

@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-11-11 08:54+0100\n"
+"POT-Creation-Date: 2023-11-23 08:13+0100\n"
 "PO-Revision-Date: 2023-10-20 13:09+0200\n"
 "Last-Translator: Santiago Forero <santiago@forero.xyz>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -4957,6 +4957,19 @@ msgid ""
 "(default value)"
 msgstr ""
 
+#. TRANSLATORS: please do not translate "lightred:blue"
+#, fuzzy
+#| msgid ""
+#| "text color for nicks (comma separated list of colors, background is "
+#| "allowed with format: \"fg:bg\", for example: \"lightred:blue\")"
+msgid ""
+"text color for syntax highlighting in evaluated strings, with "
+"\"${raw_hl:...}\" and \"${hl:...}\" (comma separated list of colors, "
+"background is allowed with format: \"fg:bg\", for example: \"lightred:blue\")"
+msgstr ""
+"color para los apodos (lista de colores separadas por comas, color de fondo "
+"es permitido siguiendo el formato \"fg:bg\", por ejemplo: \"lightred:blue\")"
+
 msgid "text color for actions in input line"
 msgstr "color para acciones en la línea de entrada"
 
@@ -5872,6 +5885,9 @@ msgstr "Colores básicos de WeeChat:"
 msgid "Nick colors:"
 msgstr "Colores de apodos:"
 
+msgid "Syntax highlighting colors in evaluated strings:"
+msgstr ""
+
 msgid "Color aliases:"
 msgstr "Alias de colores:"
 

po/fr.po

@@ -21,8 +21,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-11-11 08:54+0100\n"
-"PO-Revision-Date: 2023-11-11 08:57+0100\n"
+"POT-Creation-Date: 2023-11-23 08:13+0100\n"
+"PO-Revision-Date: 2023-11-23 08:16+0100\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
 "Language: fr\n"
@@ -5306,6 +5306,17 @@ msgstr ""
 "recherche de texte) ; cette option est utilisée seulement si l'option "
 "weechat.look.emphasized_attributes est une chaîne vide (valeur par défaut)"
 
+#. TRANSLATORS: please do not translate "lightred:blue"
+msgid ""
+"text color for syntax highlighting in evaluated strings, with "
+"\"${raw_hl:...}\" and \"${hl:...}\" (comma separated list of colors, "
+"background is allowed with format: \"fg:bg\", for example: \"lightred:blue\")"
+msgstr ""
+"couleur du texte pour la mise en évidence de la syntaxe dans les chaînes "
+"évaluées, avec \"${raw_hl:...}\" et \"${hl:...}\" (liste de couleurs "
+"séparées par une virgule, un fond est autorisé avec le format : \"couleur:"
+"fond\", par exemple : \"lightred:blue\")"
+
 msgid "text color for actions in input line"
 msgstr "couleur du texte pour les actions dans la ligne de saisie"
 
@@ -6303,6 +6314,10 @@ msgstr "Couleurs de base WeeChat :"
 msgid "Nick colors:"
 msgstr "Couleurs des pseudos :"
 
+msgid "Syntax highlighting colors in evaluated strings:"
+msgstr ""
+"Couleurs pour la mise en évidence de la syntaxe dans les chaînes évaluées :"
+
 msgid "Color aliases:"
 msgstr "Alias de couleurs :"