Support loose comparison using minimum matched chars

Specific min match is required for each country.

Test: Manual

Change-Id: I2f1355c4ba712170464e4c23a916024e0bf58e71
Merged-In: I2f1355c4ba712170464e4c23a916024e0bf58e71
Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>
Bug:134246556

1 files changed, 10 insertions, 5 deletions

diff --git a/android/OldPhoneNumberUtils.cpp b/android/OldPhoneNumberUtils.cpp
index 9846a1c..3a69e0c 100644
--- a/android/OldPhoneNumberUtils.cpp
+++ b/android/OldPhoneNumberUtils.cpp
@@ -159,13 +159,13 @@ static bool matchIntlPrefixAndCC(const char* a, int len)
  * enough for caller ID purposes.
  *
  * - Compares from right to left
- * - requires MIN_MATCH (7) characters to match
+ * - requires minimum characters to match
  * - handles common trunk prefixes and international prefixes
  *   (basically, everything except the Russian trunk prefix)
  *
  * Tolerates nulls
  */
-bool phone_number_compare_loose(const char* a, const char* b)
+bool phone_number_compare_loose_with_minmatch(const char* a, const char* b, int min_match)
 {
     int ia, ib;
     int matched;
@@ -216,11 +216,11 @@ bool phone_number_compare_loose(const char* a, const char* b)
         }
     }
 
-    if (matched < MIN_MATCH) {
+    if (matched < min_match) {
         const int effectiveALen = strlen(a) - numSeparatorCharsInA;
         const int effectiveBLen = strlen(b) - numSeparatorCharsInB;
 
-        // if the number of dialable chars in a and b match, but the matched chars < MIN_MATCH,
+        // if the number of dialable chars in a and b match, but the matched chars < min_match,
         // treat them as equal (i.e. 404-04 and 40404)
         if (effectiveALen == effectiveBLen && effectiveALen == matched) {
             return true;
@@ -230,7 +230,7 @@ bool phone_number_compare_loose(const char* a, const char* b)
     }
 
     // At least one string has matched completely;
-    if (matched >= MIN_MATCH && (ia < 0 || ib < 0)) {
+    if (matched >= min_match && (ia < 0 || ib < 0)) {
         return true;
     }
 
@@ -274,4 +274,9 @@ bool phone_number_compare_loose(const char* a, const char* b)
     return false;
 }
 
+bool phone_number_compare_loose(const char* a, const char* b)
+{
+    return phone_number_compare_loose_with_minmatch(a, b, MIN_MATCH);
+}
+
 }  // namespace android