From 22b82b17fe4a396d16c04a7ea279768a1489735a Mon Sep 17 00:00:00 2001
From: BennyR <reinerbe@hs-weingarten.de>
Date: Fri, 9 May 2014 08:51:02 +0200
Subject: [PATCH] Lexicon launch file option

---
 cerevoice_tts/launch/tts.launch    |  1 +
 cerevoice_tts/src/CerevoiceTts.cpp | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/cerevoice_tts/launch/tts.launch b/cerevoice_tts/launch/tts.launch
index e90a594..132b361 100644
--- a/cerevoice_tts/launch/tts.launch
+++ b/cerevoice_tts/launch/tts.launch
@@ -7,6 +7,7 @@
     license: $(env HOME)/cerevoice_sdk/voices/license.lic
   - path: $(env HOME)/cerevoice_sdk/voices/cerevoice_heather_3.0.8_22k.voice
     license: $(env HOME)/cerevoice_sdk/voices/cereproc_license.lic
+    lexicon: $(env HOME)/cerevoice_sdk/example_data/additional.lex
   </rosparam>
   <node name="cerevoice_tts_node" pkg="cerevoice_tts" type="cerevoice_tts_node" respawn="false" output="screen" />
 </launch>
diff --git a/cerevoice_tts/src/CerevoiceTts.cpp b/cerevoice_tts/src/CerevoiceTts.cpp
index 8df8878..c68349c 100644
--- a/cerevoice_tts/src/CerevoiceTts.cpp
+++ b/cerevoice_tts/src/CerevoiceTts.cpp
@@ -110,9 +110,11 @@ bool CerevoiceTts::init()
     {
       std::string path = xml_value[i]["path"];
       std::string license = xml_value[i]["license"];
+      std::string lexicon = xml_value[i]["lexicon"];
 
       ROS_DEBUG("voice no. %d: %s", i + 1, path.c_str());
       ROS_DEBUG("license no. %d: %s", i + 1, license.c_str());
+      ROS_DEBUG("lexicon no. %d: %s", i + 1, lexicon.c_str());
 
       if(path.empty())
       {
@@ -130,10 +132,21 @@ bool CerevoiceTts::init()
       success = CPRCEN_engine_load_voice(engine_, license.c_str(), NULL, path.c_str(), CPRC_VOICE_LOAD);
       if(!success)
       {
-        ROS_ERROR("Unable to load voice file %s!", path.c_str());
+        ROS_ERROR("Unable to load voice file '%s'!", path.c_str());
         return false;
       }
-      ROS_INFO("Loaded voice %s.", CPRCEN_engine_get_voice_info(engine_, i * -1 + xml_value.size() - 1, "VOICE_NAME"));
+      int voice_index = i * -1 + xml_value.size() - 1;
+      ROS_INFO("Loaded voice %s.", CPRCEN_engine_get_voice_info(engine_, voice_index, "VOICE_NAME"));
+
+      if(!lexicon.empty())
+      {
+        if(!CPRCEN_engine_load_user_lexicon(engine_, voice_index, lexicon.c_str()))
+          ROS_ERROR("Could not load lexicon '%s'", lexicon.c_str());
+        else
+          ROS_INFO("Added lexicon '%s' to voice %s", lexicon.c_str(),
+              CPRCEN_engine_get_voice_info(engine_, voice_index, "VOICE_NAME"));
+
+      }
     }
   }
   catch(XmlRpc::XmlRpcException &ex)