2020-07-04 19:28:54 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
< html >
< head >
< title > Locales< / title >
< link href = "../docs-assets/Breadcrumbs.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< meta name = "viewport" content = "width=device-width initial-scale=1" >
< meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" >
< meta http-equiv = "Content-Language" content = "en-gb" >
< link href = "../docs-assets/Contents.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Progress.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Navigation.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Fonts.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Base.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< script >
function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
< / script >
< link href = "../docs-assets/Popups.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Colours.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< / head >
< body class = "commentary-font" >
< nav role = "navigation" >
< h1 > < a href = "../index.html" >
< img src = "../docs-assets/Octagram.png" width = 72 height = 72" >
< / a > < / h1 >
< ul > < li > < a href = "../inweb/index.html" > inweb< / a > < / li >
< / ul > < h2 > Foundation Module< / h2 > < ul >
< li > < a href = "index.html" > < span class = "selectedlink" > foundation< / span > < / a > < / li >
< li > < a href = "../foundation-test/index.html" > foundation-test< / a > < / li >
< / ul > < h2 > Example Webs< / h2 > < ul >
< li > < a href = "../goldbach/index.html" > goldbach< / a > < / li >
< li > < a href = "../twinprimes/twinprimes.html" > twinprimes< / a > < / li >
< li > < a href = "../eastertide/index.html" > eastertide< / a > < / li >
< / ul > < h2 > Repository< / h2 > < ul >
< li > < a href = "https://github.com/ganelson/inweb" > < img src = "../docs-assets/github.png" height = 18 > github< / a > < / li >
< / ul > < h2 > Related Projects< / h2 > < ul >
2022-04-25 15:46:46 +00:00
< li > < a href = "../../../inform/docs/overview.html" > inform< / a > < / li >
2020-07-04 19:28:54 +00:00
< li > < a href = "../../../intest/docs/index.html" > intest< / a > < / li >
< / ul >
< / nav >
< main role = "main" >
<!-- Weave of 'Locales' generated by Inweb -->
< div class = "breadcrumbs" >
< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "index.html" > foundation< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Memory, Streams and Collections< / a > < / li > < li > < b > Locales< / b > < / li > < / ul > < / div >
< p class = "purpose" > Locales are what operating-system people call the text encodings used when interacting with them: in filenames, or when printing to the console.< / p >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > We will support two different locales:
2020-07-04 19:28:54 +00:00
< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > SHELL_LOCALE< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 0< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > CONSOLE_LOCALE< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Locales::name< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > Locales::name< / span > < / span > :< br / > < a href = "2-lcl.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > SHELL_LOCALE:< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "string-syntax" > "shell"< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CONSOLE_LOCALE:< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "string-syntax" > "console"< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::parse_locale< / span > < button class = "popup" onclick = "togglePopup('usagePopup2')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup2" > Usage of < span class = "code-font" > < span class = "function-syntax" > Locales::parse_locale< / span > < / span > :< br / > < a href = "2-lcl.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > NO_DEFINED_LOCALE_VALUES< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++)< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > strcmp< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < a href = "2-lcl.html#SP1" class = "function-link" > < span class = "function-syntax" > Locales::name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > )) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > -1;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > The encodings for each locale are stored in the following global array.
2020-07-04 19:28:54 +00:00
The value < span class = "extract" > < span class = "extract-syntax" > -1< / span > < / span > means "platform", that is, "the default value for the current
operating system".
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > locales_unset< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > locale_settings< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > NO_DEFINED_LOCALE_VALUES< / span > < span class = "plain-syntax" > ];< / span >
2020-07-06 22:01:05 +00:00
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::get< / span > < button class = "popup" onclick = "togglePopup('usagePopup3')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup3" > Usage of < span class = "code-font" > < span class = "function-syntax" > Locales::get< / span > < / span > :< br / > < a href = "2-lcl.html#SP4" > § 4< / a > < br / > Windows Platform - < a href = "1-wp.html#SP13" > § 13< / a > < br / > Streams - < a href = "2-str.html#SP22" > § 22< / a > , < a href = "2-str.html#SP23" > § 23< / a > , < a href = "2-str.html#SP32" > § 32< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ) {< / span >
2020-07-04 19:28:54 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > < < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > > = < / span > < span class = "identifier-syntax" > NO_DEFINED_LOCALE_VALUES< / span > < span class = "plain-syntax" > )) < / span > < a href = "3-em.html#SP2" class = "function-link" > < span class = "function-syntax" > Errors::fatal< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "locale out of range"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > locales_unset< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-lcl.html#SP5" class = "function-link" > < span class = "function-syntax" > Locales::platform_locale< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > locale_settings< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ] > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > locale_settings< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ];< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-lcl.html#SP5" class = "function-link" > < span class = "function-syntax" > Locales::platform_locale< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::set< / span > < button class = "popup" onclick = "togglePopup('usagePopup4')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup4" > Usage of < span class = "code-font" > < span class = "function-syntax" > Locales::set< / span > < / span > :< br / > < a href = "2-lcl.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > E< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > < < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > > = < / span > < span class = "identifier-syntax" > NO_DEFINED_LOCALE_VALUES< / span > < span class = "plain-syntax" > )) < / span > < a href = "3-em.html#SP2" class = "function-link" > < span class = "function-syntax" > Errors::fatal< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "locale out of range"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > locales_unset< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > NO_DEFINED_LOCALE_VALUES< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) < / span > < span class = "identifier-syntax" > locale_settings< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] = -1;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > locales_unset< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > locale_settings< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ] = < / span > < span class = "identifier-syntax" > E< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > The possible encodings have names. We must do everything here with < span class = "extract" > < span class = "extract-syntax" > char *< / span > < / span >
2020-07-04 19:28:54 +00:00
and without any higher-level < a href = "index.html" class = "internal" > foundation< / a > facilities, because locale-setting
has to be done extremely early in the run (since it affects how command line
arguments are read).
< / p >
< p class = "commentary" > Note that new encodings could only be added here if matching changes were made
to < a href = "2-str.html" class = "internal" > Streams< / a > .
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::parse_encoding< / span > < button class = "popup" onclick = "togglePopup('usagePopup5')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup5" > Usage of < span class = "code-font" > < span class = "function-syntax" > Locales::parse_encoding< / span > < / span > :< br / > < a href = "2-lcl.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > strcmp< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "platform"< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > -1;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > strcmp< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "iso-latin1"< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FILE_ENCODING_ISO_STRF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > strcmp< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "utf-8"< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FILE_ENCODING_UTF8_STRF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > This can only run after locales have safely been set, since it probably
2020-07-04 19:28:54 +00:00
writes to < span class = "extract" > < span class = "extract-syntax" > STDOUT< / span > < / span > , whose encoding depends on locale. For example, < a href = "../inweb/index.html" class = "internal" > inweb< / a >
calls this in response to < span class = "extract" > < span class = "extract-syntax" > -verbose< / span > < / span > .
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::write_locales< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Locales are: "< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > NO_DEFINED_LOCALE_VALUES< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ", "< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%s = "< / span > < span class = "plain-syntax" > , < / span > < a href = "2-lcl.html#SP1" class = "function-link" > < span class = "function-syntax" > Locales::name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < a href = "2-lcl.html#SP4" class = "function-link" > < span class = "function-syntax" > Locales::write_locale< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < a href = "2-lcl.html#SP2" class = "function-link" > < span class = "function-syntax" > Locales::get< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "\n"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::write_locale< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > -1:< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "platform (= "< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-lcl.html#SP4" class = "function-link" > < span class = "function-syntax" > Locales::write_locale< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < a href = "2-lcl.html#SP5" class = "function-link" > < span class = "function-syntax" > Locales::platform_locale< / span > < / a > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > ")"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FILE_ENCODING_ISO_STRF:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "iso-latin1"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FILE_ENCODING_UTF8_STRF:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "utf-8"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > default:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "?"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > And this is how we determine the default; see < a href = "1-pp.html" class = "internal" > POSIX Platforms< / a > and
2020-07-04 19:28:54 +00:00
< a href = "1-wp.html" class = "internal" > Windows Platform< / a > for these < span class = "extract" > < span class = "extract-syntax" > LOCALE_IS_*< / span > < / span > constants.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::platform_locale< / span > < button class = "popup" onclick = "togglePopup('usagePopup6')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup6" > Usage of < span class = "code-font" > < span class = "function-syntax" > Locales::platform_locale< / span > < / span > :< br / > < a href = "2-lcl.html#SP2" > § 2< / a > , < a href = "2-lcl.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifdef< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > LOCALE_IS_ISO< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FILE_ENCODING_ISO_STRF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifndef< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > LOCALE_IS_ISO< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifdef< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOCALE_IS_UTF8< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FILE_ENCODING_UTF8_STRF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifndef< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOCALE_IS_UTF8< / span >
< span class = "plain-syntax" > < / span > < a href = "3-em.html#SP2" class = "function-link" > < span class = "function-syntax" > Errors::fatal< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "built without either LOCALE_IS_ISO or LOCALE_IS_UTF8"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FILE_ENCODING_UTF8_STRF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > This unlovely function parses a comma-separated list of assignments in
2020-07-04 19:28:54 +00:00
the form < span class = "extract" > < span class = "extract-syntax" > LOCALE=ENCODING< / span > < / span > , returning < span class = "extract" > < span class = "extract-syntax" > TRUE< / span > < / span > if this was syntactically valid
and < span class = "extract" > < span class = "extract-syntax" > FALSE< / span > < / span > if not.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Locales::set_locales< / span > < button class = "popup" onclick = "togglePopup('usagePopup7')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup7" > Usage of < span class = "code-font" > < span class = "function-syntax" > Locales::set_locales< / span > < / span > :< br / > Command Line Arguments - < a href = "3-cla.html#SP8" > § 8< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > =0; ((< / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ])); ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = -1;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =< / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ]; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] == < / span > < span class = "character-syntax" > '='< / span > < span class = "plain-syntax" > ) { < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == -1) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > -< / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > 16< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L1< / span > < span class = "plain-syntax" > [16], < / span > < span class = "identifier-syntax" > L2< / span > < span class = "plain-syntax" > [16];< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < 16; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) { < / span > < span class = "identifier-syntax" > L1< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > L2< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > -< / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) < / span > < span class = "identifier-syntax" > L1< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] = (< / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > tolower< / span > < span class = "plain-syntax" > ((< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > +< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ]);< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > next_at< / span > < span class = "plain-syntax" > = -1;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > +1+< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ]) & & (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < 16); < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > +1+< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] == < / span > < span class = "character-syntax" > ','< / span > < span class = "plain-syntax" > ) { < / span > < span class = "identifier-syntax" > next_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > +1+< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1; < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L2< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] = (< / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > tolower< / span > < span class = "plain-syntax" > ((< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > +1+< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ]);< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > = < / span > < a href = "2-lcl.html#SP1" class = "function-link" > < span class = "function-syntax" > Locales::parse_locale< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L1< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > E< / span > < span class = "plain-syntax" > = < / span > < a href = "2-lcl.html#SP3" class = "function-link" > < span class = "function-syntax" > Locales::parse_encoding< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L2< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > < < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > > = < / span > < span class = "identifier-syntax" > NO_DEFINED_LOCALE_VALUES< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > E< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "2-lcl.html#SP2" class = "function-link" > < span class = "function-syntax" > Locales::set< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > E< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > next_at< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< nav role = "progress" > < div class = "progresscontainer" >
< ul class = "progressbar" > < li class = "progressprev" > < a href = "2-fc.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-abgtf.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-fm.html" > 1< / a > < / li > < li class = "progresscurrentchapter" > 2< / li > < li class = "progresssection" > < a href = "2-dl.html" > dl< / a > < / li > < li class = "progresssection" > < a href = "2-mmr.html" > mmr< / a > < / li > < li class = "progresssection" > < a href = "2-fc.html" > fc< / a > < / li > < li class = "progresscurrent" > lcl< / li > < li class = "progresssection" > < a href = "2-str.html" > str< / a > < / li > < li class = "progresssection" > < a href = "2-wal.html" > wal< / a > < / li > < li class = "progresssection" > < a href = "2-mth.html" > mth< / a > < / li > < li class = "progresssection" > < a href = "2-llas.html" > llas< / a > < / li > < li class = "progresssection" > < a href = "2-dct.html" > dct< / a > < / li > < li class = "progresssection" > < a href = "2-trs.html" > trs< / a > < / li > < li class = "progresschapter" > < a href = "3-em.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-chr.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-htm.html" > 5< / a > < / li > < li class = "progresschapter" > < a href = "6-bf.html" > 6< / a > < / li > < li class = "progresschapter" > < a href = "7-vn.html" > 7< / a > < / li > < li class = "progresschapter" > < a href = "8-ws.html" > 8< / a > < / li > < li class = "progressnext" > < a href = "2-str.html" > ❯ < / a > < / li > < / ul > < / div >
< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >