From b8a4092aaa48d00d88765021a82d5f396ba08f0f Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Sat, 22 Jan 2022 11:04:16 -0500
Subject: Moved to c++20, reports full language name

---
 Makefile   |  2 +-
 bible.cc   |  7 ++++++-
 libbible.h |  5 +++++
 mods.cc    | 39 ++++++++++++++++++++++++++++++++++++++-
 4 files changed, 50 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 3189adc..4fe1ffc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CC=g++
 LIBS=sword minizip
-CFLAGS=-c -Wall -fPIC -std=c++17
+CFLAGS=-c -Wall -fPIC -std=c++20
 LDFLAGS=-lstdc++fs
 SOURCES=libbible.cc mods.cc settings.cc
 OBJECTS=$(SOURCES:.cc=.o)
diff --git a/bible.cc b/bible.cc
index 943d6d0..fe2c828 100644
--- a/bible.cc
+++ b/bible.cc
@@ -72,11 +72,16 @@ void listChapters(string modname, string book) {
 
 void listInstallable(string language) {
     map<string, vector<string>> installable = libbible::downloadModsAvailable();
+    map<string, string> languages = libbible::getLanguageNames();
     for(auto pair : installable) {
         if(!language.empty() && language != pair.first) {
             continue;
         }
-        printf("For language %s:\n", pair.first.c_str());
+        printf("For language %s:", pair.first.c_str());
+        if(!languages[pair.first].empty()) {
+            printf(" (%s)", languages[pair.first].c_str());
+        }
+        printf("\n");
         for(string name : pair.second) {
             printf(" %s\n", name.c_str());
         }
diff --git a/libbible.h b/libbible.h
index 82a15ab..f77dc8c 100644
--- a/libbible.h
+++ b/libbible.h
@@ -64,6 +64,11 @@ namespace libbible {
      */
     std::map<std::string, std::vector<std::string>> downloadModsAvailable();
 
+    /**
+     * @return A mapping from language abbreviations to full language names
+     */
+    std::map<std::string, std::string> getLanguageNames();
+
     /**
      * Cancel an in-progress download
      */
diff --git a/mods.cc b/mods.cc
index 30b24f8..708f3f1 100644
--- a/mods.cc
+++ b/mods.cc
@@ -42,6 +42,7 @@ void myStatusReporter::update(unsigned long totalBytes, unsigned long completedB
 string basedir = (getenv("HOME")) + string("/.sword/");
 sword::InstallMgr *installMgr = new sword::InstallMgr((basedir + std::string("InstallMgr")).c_str(), nullptr);
 map<string, vector<pair<string, sword::InstallSource *>>> installSources;
+map<string, string> languageNames; // maps abbreviation to full name
 
 void libbible::setStatusReporter(libbible::Status& status) {
     myStatusReporter *msr = new myStatusReporter(&status);
@@ -52,6 +53,7 @@ void libbible::setStatusReporter(libbible::Status& status) {
 
 map<string, vector<string>> libbible::downloadModsAvailable() {
     installSources.clear();
+    languageNames.clear();
     mkdir((basedir + std::string("mods.d/")).c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
     mkdir((basedir + std::string("modules/")).c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
     installMgr->setUserDisclaimerConfirmed(true);
@@ -71,6 +73,7 @@ map<string, vector<string>> libbible::downloadModsAvailable() {
     }
     installMgr->readInstallConf();
     map<string, vector<string>> modsAvailable;
+    map<string, vector<string>> languagesToFull;
     //printf("Getting langs...\n");
     for(auto src : installMgr->sources) {
         if(src.second->getMgr()->Modules.empty()) {
@@ -82,7 +85,19 @@ map<string, vector<string>> libbible::downloadModsAvailable() {
             string type(curMod->getType());
             if(type == "Biblical Texts") {
                 string language(curMod->getLanguage());
-                //printf("Got language %s\n", language.c_str());
+                string fullLang;
+                if(curMod->getConfigEntry("LCSH")) {
+                    // Split on periods, last field, strip
+                    fullLang = string(curMod->getConfigEntry("LCSH"));
+                    // If ends with ., remove
+                    if(fullLang.ends_with('.')) fullLang = fullLang.substr(0, fullLang.size()-1);
+                    if(fullLang.find('.') != string::npos) fullLang = fullLang.substr(fullLang.find_last_of('.')+1);
+                    while(fullLang.starts_with(' ')) fullLang = fullLang.substr(1);
+                    while(fullLang.ends_with(' ')) fullLang = fullLang.substr(0, fullLang.size()-1);
+                }
+                vector<string> newLangs;
+                languagesToFull.emplace(language, newLangs);
+                languagesToFull[language].push_back(fullLang);
                 vector<string> newMods;
                 vector<pair<string, sword::InstallSource *>> newSources;
                 // emplace only adds if key is unique
@@ -94,9 +109,31 @@ map<string, vector<string>> libbible::downloadModsAvailable() {
             }
         }
     }
+    // Now use majority voting to move languagesToFull -> languageNames
+    for(const auto& [abbrev, fulls] : languagesToFull) {
+        std::map<string, int> majVote;
+        for(auto full : fulls) {
+            majVote.try_emplace(full, 0);
+            majVote[full]++;
+        }
+        string selected = fulls[0];
+        for(auto full : fulls) {
+            if(majVote[full] > majVote[selected] or (majVote[full] == majVote[selected] and full.size() < selected.size())) {
+                selected = full;
+            }
+        }
+        languageNames[abbrev] = selected;
+    }
     return modsAvailable;
 }
 
+std::map<std::string, std::string> libbible::getLanguageNames() {
+    if(languageNames.empty()) {
+        downloadModsAvailable();
+    }
+    return languageNames;
+}
+
 void libbible::terminateDownload() {
     installMgr->terminate();
 }
-- 
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