From 23465d5a312f86d989ec647522bd3151554a79e4 Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Sat, 5 Jan 2013 21:47:04 -0500
Subject: unify logic for finding by name fragment

---
 pulse.cc | 61 ++++++++++++++++++++++++++++---------------------------------
 pulse.h  |  1 +
 2 files changed, 29 insertions(+), 33 deletions(-)

diff --git a/pulse.cc b/pulse.cc
index d1d9359..ae4ccf2 100644
--- a/pulse.cc
+++ b/pulse.cc
@@ -93,7 +93,6 @@ static int xstrtol(const char *str, long *out) {
   return 0;
 }
 
-
 }  // anonymous namespace
 
 PulseClient::PulseClient(string client_name) :
@@ -152,23 +151,11 @@ Card* PulseClient::GetCard(const uint32_t& index) {
 Card* PulseClient::GetCard(const string& name) {
   long val;
   vector<Card*> res;
-  if (xstrtol(name.c_str(), &val) == 0) return GetCard(val);
-
-  for (Card& card : cards_) {
-    if (card.name_.find(name) != string::npos) res.push_back(&card);
+  if (xstrtol(name.c_str(), &val) == 0) {
+    return GetCard(val);
+  } else {
+    return find_fuzzy(cards_, name);
   }
-
-  switch (res.size()) {
-  case 0:
-    return nullptr;
-  case 1:
-    break;
-  default:
-    warnx("warning: ambiguous result for '%s', using '%s'",
-        name.c_str(), res[0]->name_.c_str());
-  }
-
-  return res[0];
 }
 
 Card* PulseClient::GetCard(const Device& device) {
@@ -189,23 +176,11 @@ Device* PulseClient::get_device(vector<Device>& devices,
 Device* PulseClient::get_device(vector<Device>& devices, const string& name) {
   long val;
   vector<Device*> res;
-  if (xstrtol(name.c_str(), &val) == 0) return get_device(devices, val);
-
-  for (Device& device : devices) {
-    if (device.name_.find(name) != string::npos) res.push_back(&device);
+  if (xstrtol(name.c_str(), &val) == 0) {
+    return get_device(devices, val);
+  } else {
+    return find_fuzzy(devices, name);
   }
-
-  switch (res.size()) {
-  case 0:
-    return nullptr;
-  case 1:
-    break;
-  default:
-    warnx("warning: ambiguous result for '%s', using '%s'",
-        name.c_str(), res[0]->name_.c_str());
-  }
-
-  return res[0];
 }
 
 Device* PulseClient::GetDevice(const uint32_t& index, enum DeviceType type) {
@@ -289,6 +264,26 @@ void PulseClient::mainloop_iterate(pa_operation* op) {
   }
 }
 
+template<class T>
+T* PulseClient::find_fuzzy(vector<T> haystack, const string& needle) {
+  vector<T*> res;
+
+  for (T& item : haystack) {
+    if (item.name_.find(needle) != string::npos) res.push_back(&item);
+  }
+
+  switch (res.size()) {
+  case 0:
+    return nullptr;
+  case 1:
+    break;
+  default:
+    warnx("warning: ambiguous result for '%s', using '%s'",
+        needle.c_str(), res[0]->name_.c_str());
+  }
+  return res[0];
+}
+
 void PulseClient::populate_cards() {
   cards_.clear();
   pa_operation* op = pa_context_get_card_info_list(context_,
diff --git a/pulse.h b/pulse.h
index a062975..97ebc47 100644
--- a/pulse.h
+++ b/pulse.h
@@ -221,6 +221,7 @@ class PulseClient {
 
  private:
   void mainloop_iterate(pa_operation* op);
+  template<class T> T* find_fuzzy(vector<T> haystack, const string& needle);
 
   void populate_server_info();
   void populate_cards();
-- 
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