From a18ad484f2fdc0019c15d94405c915f8bfe6d76f Mon Sep 17 00:00:00 2001
From: mike-work
Date: Wed, 7 May 2014 23:57:56 +0100
Subject: Adding in search engines feature to fix #1009

---
 background_scripts/completion.coffee | 22 ++++++++++++++++++++++
 background_scripts/main.coffee       |  2 ++
 background_scripts/settings.coffee   | 21 +++++++++++++++++++++
 3 files changed, 45 insertions(+)

(limited to 'background_scripts')

diff --git a/background_scripts/completion.coffee b/background_scripts/completion.coffee
index beb7003a..2868308a 100644
--- a/background_scripts/completion.coffee
+++ b/background_scripts/completion.coffee
@@ -248,6 +248,27 @@ class TabCompleter
   computeRelevancy: (suggestion) ->
     RankingUtils.wordRelevancy(suggestion.queryTerms, suggestion.url, suggestion.title)
 
+# A completer which will return your search engines
+class SearchEngineCompleter
+  searchEngines: {}
+
+  filter: (queryTerms, onComplete) ->
+    searchEngineMatch = this.getSearchEngineMatches(queryTerms[0])
+    suggestions = []
+    if searchEngineMatch
+      searchEngineMatch = searchEngineMatch.replace(/%s/g, queryTerms[1..].join(" "))
+      suggestion = new Suggestion(queryTerms, "search", searchEngineMatch, queryTerms[0] + ": " + queryTerms[1..].join(" "), @computeRelevancy)
+      suggestions.push(suggestion)
+    onComplete(suggestions)
+
+  computeRelevancy: -> 1
+
+  refresh: ->
+    this.searchEngines = root.Settings.getSearchEngines()
+
+  getSearchEngineMatches: (queryTerm) ->
+    this.searchEngines[queryTerm]
+
 # A completer which calls filter() on many completers, aggregates the results, ranks them, and returns the top
 # 10. Queries from the vomnibar frontend script come through a multi completer.
 class MultiCompleter
@@ -436,6 +457,7 @@ root.MultiCompleter = MultiCompleter
 root.HistoryCompleter = HistoryCompleter
 root.DomainCompleter = DomainCompleter
 root.TabCompleter = TabCompleter
+root.SearchEngineCompleter = SearchEngineCompleter
 root.HistoryCache = HistoryCache
 root.RankingUtils = RankingUtils
 root.RegexpCache = RegexpCache
diff --git a/background_scripts/main.coffee b/background_scripts/main.coffee
index b2b4669c..00b96643 100644
--- a/background_scripts/main.coffee
+++ b/background_scripts/main.coffee
@@ -24,9 +24,11 @@ completionSources =
   history: new HistoryCompleter()
   domains: new DomainCompleter()
   tabs: new TabCompleter()
+  seachEngines: new SearchEngineCompleter()
 
 completers =
   omni: new MultiCompleter([
+    completionSources.seachEngines,
     completionSources.bookmarks,
     completionSources.history,
     completionSources.domains])
diff --git a/background_scripts/settings.coffee b/background_scripts/settings.coffee
index c26da5a4..175f3262 100644
--- a/background_scripts/settings.coffee
+++ b/background_scripts/settings.coffee
@@ -32,10 +32,28 @@ root.Settings = Settings =
       root.Commands.parseCustomKeyMappings value
       root.refreshCompletionKeysAfterMappingSave()
 
+    searchEngines: (value) ->
+      root.Settings.parseSearchEngines value
+
   # postUpdateHooks convenience wrapper
   performPostUpdateHook: (key, value) ->
     @postUpdateHooks[key] value if @postUpdateHooks[key]
 
+  # Here we have our functions that parse the search engines
+  # this is a map that we use to store our search engines for use.
+  searchEnginesMap: {}
+
+  # this parses the search engines settings and clears the old searchEngines and sets the new one
+  parseSearchEngines: (searchEnginesText) ->
+    @searchEnginesMap = {}
+    # find the split pairs by first splitting by line then splitting on the first `: `
+    split_pairs = ( pair.split( /: (.+)/, 2) for pair in searchEnginesText.split( /\n/ ) when pair[0] != "#" )
+    @searchEnginesMap[a[0]] = a[1] for a in split_pairs
+    @searchEnginesMap
+  getSearchEngines: ->
+    this.parseSearchEngines(@get("searchEngines") || "") if Object.keys(@searchEnginesMap).length == 0
+    @searchEnginesMap
+
   # options.coffee and options.html only handle booleans and strings; therefore all defaults must be booleans
   # or strings
   defaults:
@@ -78,9 +96,12 @@ root.Settings = Settings =
     nextPatterns: "next,more,>,\u2192,\xbb,\u226b,>>"
     # default/fall back search engine
     searchUrl: "http://www.google.com/search?q="
+    # put in an example search engine
+    searchEngines: "w: http://www.wikipedia.org/w/index.php?title=Special:Search&search=%s"
 
     settingsVersion: Utils.getCurrentVersion()
 
+
 # We use settingsVersion to coordinate any necessary schema changes.
 if Utils.compareVersions("1.42", Settings.get("settingsVersion")) != -1
   Settings.set("scrollStepSize", parseFloat Settings.get("scrollStepSize"))
-- 
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