From 53358208c967d324855759a32dcf288dbb6830b4 Mon Sep 17 00:00:00 2001 From: Keith Marshall Date: Sun, 12 Sep 2021 15:38:38 +0100 Subject: [PATCH] Redirect OSDN mail archive searches from DuckDuckGo to Google. * site.js (osdn_archive, ddg_query, ddg_widget): New functions; they facilitate setup and initiation of a DuckDuckGo query of any OSDN mail archive, with redirection via the Google search engine, using... (ddg_bang, ddg_google_search, ddg_google_search_site): ...these new internal-use helper functions. * mailing.html (MinGW-Users, MinGW-Notify): Use... (ddg_widget, osdn_archive): ...these to initiate DuckDuckGo search... (ddg_google_search): ...with this to redirect to the Google engine. --- mailing.html | 16 +++++++++++++ site.js | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 90 insertions(+) diff --git a/mailing.html b/mailing.html index 0b4d68e..2374960 100644 --- a/mailing.html +++ b/mailing.html @@ -120,12 +120,20 @@ keyword searches within the OSDN.net (upper), and the SourceForge.net (lower box) archives, respectively. (If your question relates to MSYS, you may also wish to refer to the historical MinGW‑MSYS archive, below). + +
+ + +
@@ -155,12 +163,20 @@ while notifications posted prior to September 2017 have been >archived, on SourceForge.net. Once again, you may use the following pair of search boxes to perform keyword searches on these archives, respectively. + + + + +
diff --git a/site.js b/site.js index 17599e4..58399d3 100644 --- a/site.js +++ b/site.js @@ -98,4 +98,78 @@ function load_page( src ) load_content( div, src ); } +/* Web-Search Widget Helper Functions + * ---------------------------------- + * Derived from the DuckDuckGo.com search widget implementation by + * Juri Wornowitski, as described at https://www.plainlight.com/ddg, + * these facilitate incorporation of multiple search widget variants, + * at multiple locations across the site. + * + */ +function ddg_widget( ref ) +{ /* Acquire a reference to the "submit" button, within the search + * widget; the containing "form" element uses this to simulate a + * click event, if the form is submitted by pressing the "enter" + * key, when the "input" field has the focus. + */ + ref = ref.getElementsByTagName( "button" ); + for( idx = 0; idx < ref.length; idx++ ) + if( ref[idx].type == "submit" ) return ref[idx]; + return undefined; +} + +function ddg_google_search_site( domain ) +{ /* Encode a search "domain" as a "site:" reference, to be appended + * to the query URL, when a DuckDuckGo.com search is directed to the + * Google search engine, via DuckDuckGo.com's "bang" facility. + */ + return "+".concat( encodeURIComponent( "site:".concat( domain ))); +} + +function ddg_bang( src, query, domain ) +{ /* Set up a query, using DuckDuckGo.com's "bang" facility, (directed + * to the "bang" identified by "src"); append the query, appropriately + * encoded, and optionally a "domain" URL whence the query results are + * to be retrieved. + */ + const bang = "https://duckduckgo.com?q=".concat( encodeURIComponent( "!" )); + query = bang.concat( src.concat( "+".concat( encodeURIComponent( query )))); + return query.concat( domain ); +} + +function ddg_query( widget ) +{ /* Retrieve the current value entered into the query "input" field; + * (this is identified by having a "name" property value of "q"). + */ + widget = widget.getElementsByTagName( "input" ); + for( idx = 0; idx < widget.length; idx++ ) + if( widget[idx].name == "q" ) return widget[idx].value; + return undefined; +} + +function ddg_google_search( widget, target, domain ) +{ /* Initiate a Google search, from the DuckDuckGo.com search widget; + * (the "widget" reference is initially associated with the "submit" + * button, whence we retrieve the query context via the parent form). + * If "domain" is not null, it is assumed to represent a "site:" URL, + * where the search is to be performed, while boolean value "target" + * indicates whether or not a new browser window is to be opened to + * display the search results. + */ + var query = ddg_query( widget.parentElement ); + if( domain.length > 0 ) domain = ddg_google_search_site( domain ); + if( target ) window.open( ddg_bang( "g", query, domain )); + else ddg_bang( "g", query, domain ); + return false; +} + +function osdn_archive( project, list ) +{ /* Construct a URL to represent the search domain for an OSDN.net + * mailing list archive, for any specified "list", belonging to a + * specified "project". + */ + const template = "https://osdn.net/projects/%P%/lists/archive/"; + return template.replace( "%P%", project ).concat( list ); +} + /* $RCSfile$: end of file */ -- 2.11.0