Implement emoji exact search functions

.gitattributes

@@ -1,2 +1,3 @@
 # Github language display
 *.h linguist-language=C
+*.inc linguist-language=C

slack-emoji.c

@@ -10,3 +10,78 @@
 
 #include "slack-emoji.inc"
 
+static int emoji_byname_cmp(const void *p1, const void *p2)
+{
+    return strcasecmp(((struct t_slack_emoji_by_name *)p1)->name,
+                      ((struct t_slack_emoji_by_name *)p2)->name);
+}
+
+static int emoji_bytext_cmp(const void *p1, const void *p2)
+{
+    return strcasecmp(((struct t_slack_emoji_by_text *)p1)->text,
+                      ((struct t_slack_emoji_by_text *)p2)->text);
+}
+
+const char *slack_emoji_get_unicode_by_name(const char *name)
+{
+    struct t_slack_emoji_by_name *result;
+    struct t_slack_emoji_by_name key;
+    key.name = name;
+
+    size_t emoji_count = sizeof(slack_emoji_by_name)
+        / sizeof(struct t_slack_emoji_by_name);
+    result = (struct t_slack_emoji_by_name *)bsearch(
+        &key, slack_emoji_by_name, emoji_count,
+        sizeof(struct t_slack_emoji_by_name),
+        emoji_byname_cmp);
+    
+    return result->unicode;
+}
+
+const char *slack_emoji_get_unicode_by_text(const char *text)
+{
+    struct t_slack_emoji_by_text *result;
+    struct t_slack_emoji_by_text key;
+    key.text = text;
+
+    size_t emoji_count = sizeof(slack_emoji_by_text)
+        / sizeof(struct t_slack_emoji_by_text);
+    result = (struct t_slack_emoji_by_text *)bsearch(
+        &key, slack_emoji_by_text, emoji_count,
+        sizeof(struct t_slack_emoji_by_text),
+        emoji_bytext_cmp);
+    
+    return result->unicode;
+}
+
+const char *slack_emoji_get_text_by_name(const char *name)
+{
+    struct t_slack_emoji_by_name *result;
+    struct t_slack_emoji_by_name key;
+    key.name = name;
+
+    size_t emoji_count = sizeof(slack_emoji_by_name)
+        / sizeof(struct t_slack_emoji_by_name);
+    result = (struct t_slack_emoji_by_name *)bsearch(
+        &key, slack_emoji_by_name, emoji_count,
+        sizeof(struct t_slack_emoji_by_name),
+        emoji_byname_cmp);
+    
+    return result->text_to;
+}
+
+const char *slack_emoji_get_text_by_text(const char *text)
+{
+    struct t_slack_emoji_by_text *result;
+    struct t_slack_emoji_by_text key;
+    key.text = text;
+
+    size_t emoji_count = sizeof(slack_emoji_by_text)
+        / sizeof(struct t_slack_emoji_by_text);
+    result = (struct t_slack_emoji_by_text *)bsearch(
+        &key, slack_emoji_by_text, emoji_count,
+        sizeof(struct t_slack_emoji_by_text),
+        emoji_bytext_cmp);
+    
+    return result->text_to;
+}

slack-emoji.h

@@ -5,6 +5,12 @@
 #ifndef _SLACK_EMOJI_H_
 #define _SLACK_EMOJI_H_
 
+const char *slack_emoji_get_unicode_by_name(const char *name);
 
+const char *slack_emoji_get_unicode_by_text(const char *text);
+
+const char *slack_emoji_get_text_by_name(const char *name);
+    
+const char *slack_emoji_get_text_by_text(const char *text);
 
 #endif /*SLACK_EMOJI_H*/

slack-emoji.inc

@@ -1,4 +1,8 @@
 
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, version 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 #include <stdlib.h>
 
 #define MAX_TEXTS 7

slack-emoji.pl

@@ -1,5 +1,9 @@
 #!/usr/bin/perl -l
 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, version 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 use strict;
 use warnings;
 
@@ -17,6 +21,10 @@ my $maxtexts = max (map { 1 + @{$_} } (grep defined, map { $_->{'texts'} } @arra
 my $maxnames = max (map { 1 + @{$_} } (grep defined, map { $_->{'short_names'} } @array));
 
 print "
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, version 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 #include <stdlib.h>
 
 #define MAX_TEXTS $maxtexts

slack-emoji.py

@@ -1,6 +1,10 @@
 #!/usr/bin/python
 # Compatible with python v2 and v3
 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, version 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 import requests
 import json
 import ast
@@ -8,6 +12,10 @@ import ast
 emoji = requests.get("https://raw.githubusercontent.com/iamcal/emoji-data/master/emoji.json").json()
 
 print("""
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, version 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 #include <stdlib.h>
 
 #define MAX_TEXTS %d