Fix case-insensitive paths on Linux (#34)

Closes #9

1 files changed, 106 insertions, 58 deletions

diff --git a/path_functions.cpp b/path_functions.cpp
index d4238c95..24041e2d 100644
--- a/path_functions.cpp
+++ b/path_functions.cpp
@@ -2,30 +2,39 @@
 #include "courtroom.h"
 #include "file_functions.h"
 
+#include <QDir>
+#include <QStandardPaths>
+#include <QRegExp>
+
 #ifdef BASE_OVERRIDE
 #include "base_override.h"
 #endif
-QString base_path = "";
+
+//this is a quite broad generalization
+//the most common OSes(mac and windows) are _usually_ case insensitive
+//however, there do exist mac installations with case sensitive filesystems
+//in that case, define CASE_SENSITIVE_FILESYSTEM and compile on a mac
+#if (defined (LINUX) || defined (__linux__))
+#define CASE_SENSITIVE_FILESYSTEM
+#endif
 
 QString AOApplication::get_base_path()
 {
-    if (base_path == "")
-    {
-#ifdef BASE_OVERRIDE
-  base_path = base_override;
-#elif defined(ANDROID)
-        QString sdcard_storage = getenv("SECONDARY_STORAGE");
-        if (dir_exists(sdcard_storage + "/AO2/")){
-            base_path = sdcard_storage + "/AO2/";
-        }else{
-            QString external_storage = getenv("EXTERNAL_STORAGE");
-            base_path = external_storage + "/AO2/";
-        }
+  QString base_path = "";
+#ifdef ANDROID
+  QString sdcard_storage = getenv("SECONDARY_STORAGE");
+  if (dir_exists(sdcard_storage + "/AO2/")){
+    base_path = sdcard_storage + "/AO2/";
+  }
+  else {
+    QString external_storage = getenv("EXTERNAL_STORAGE");
+    base_path = external_storage + "/AO2/";
+  }
 #else
   base_path = QDir::currentPath() + "/base/";
 #endif
-}
-    return base_path;
+
+  return base_path;
 }
 
 QString AOApplication::get_data_path()
@@ -33,72 +42,111 @@ QString AOApplication::get_data_path()
   return get_base_path() + "data/";
 }
 
-QString AOApplication::get_theme_path()
+QString AOApplication::get_default_theme_path(QString p_file)
 {
-  return get_base_path() + "themes/" + current_theme.toLower() + "/";
+  QString path = get_base_path() + "themes/default/" + p_file;
+#ifndef CASE_SENSITIVE_FILESYSTEM
+  return path;
+#else
+  return get_case_sensitive_path(path);
+#endif
 }
 
-QString AOApplication::get_default_theme_path()
+QString AOApplication::get_theme_path(QString p_file)
 {
-  return get_base_path() + "themes/default/";
+  QString path = get_base_path() + "themes/" + current_theme + "/" + p_file;
+#ifndef CASE_SENSITIVE_FILESYSTEM
+  return path;
+#else
+  return get_case_sensitive_path(path);
+#endif
 }
 
-QString AOApplication::get_character_path(QString p_character)
+QString AOApplication::get_character_path(QString p_char, QString p_file)
 {
-  return get_base_path() + "characters/" + p_character.toLower() + "/";
+  QString path = get_base_path() + "characters/" + p_char + "/" + p_file;
+#ifndef CASE_SENSITIVE_FILESYSTEM
+  return path;
+#else
+  return get_case_sensitive_path(path);
+#endif
 }
 
-QString AOApplication::get_demothings_path()
-{
-  QString default_path = "misc/demothings/";
-  QString alt_path = "misc/RosterImages";
-  if (dir_exists(default_path))
-    return get_base_path() + default_path;
-  else if (dir_exists(alt_path))
-    return get_base_path() + alt_path;
-  else
-    return get_base_path() + default_path;
-}
-QString AOApplication::get_sounds_path()
+QString AOApplication::get_sounds_path(QString p_file)
 {
-  return get_base_path() + "sounds/general/";
+  QString path = get_base_path() + "sounds/general/" + p_file;
+#ifndef CASE_SENSITIVE_FILESYSTEM
+  return path;
+#else
+  return get_case_sensitive_path(path);
+#endif
 }
+
 QString AOApplication::get_music_path(QString p_song)
 {
-  return get_base_path() + "sounds/music/" + p_song.toLower();
+  QString path = get_base_path() + "sounds/music/" + p_song;
+#ifndef CASE_SENSITIVE_FILESYSTEM
+  return path;
+#else
+  return get_case_sensitive_path(path);
+#endif
 }
 
-QString AOApplication::get_background_path()
+QString AOApplication::get_background_path(QString p_file)
 {
-  if (courtroom_constructed)
-    return w_courtroom->get_background_path();
-  //this function being called when the courtroom isn't constructed makes no sense
-  return "";
+  QString path = get_base_path() + "background/" + w_courtroom->get_current_background() + "/" + p_file;
+  if (courtroom_constructed) {
+#ifndef CASE_SENSITIVE_FILESYSTEM
+    return path;
+#else
+    return get_case_sensitive_path(path);
+#endif
+  }
+  return get_default_background_path(p_file);
 }
 
-QString AOApplication::get_default_background_path()
+QString AOApplication::get_default_background_path(QString p_file)
 {
-  return get_base_path() + "background/default/";
+  QString path = get_base_path() + "background/default/" + p_file;
+#ifndef CASE_SENSITIVE_FILESYSTEM
+  return path;
+#else
+  return get_case_sensitive_path(path);
+#endif
 }
 
-QString AOApplication::get_evidence_path()
+QString AOApplication::get_evidence_path(QString p_file)
 {
-    QString default_path = "evidence/";
-    QString alt_path = "items/";
-    if (dir_exists(default_path))
-      return get_base_path() + default_path;
-    else if (dir_exists(alt_path))
-      return get_base_path() + alt_path;
-    else
-      return get_base_path() + default_path;
+  QString path = get_base_path() + "evidence/" + p_file;
+#ifndef CASE_SENSITIVE_FILESYSTEM
+  return path;
+#else
+  return get_case_sensitive_path(path);
+#endif
 }
 
-QString Courtroom::get_background_path()
-{
-  return ao_app->get_base_path() + "background/" + current_background.toLower() + "/";
-}
+QString AOApplication::get_case_sensitive_path(QString p_file) {
+  //first, check to see if it's actually there (also serves as base case for recursion)
+  if (exists(p_file)) return p_file;
 
-QString Courtroom::get_default_background_path()
-{
-  return ao_app->get_base_path() + "background/default/";
+  QFileInfo file(p_file);
+
+  QString file_basename = file.fileName();
+  QString file_parent_dir = get_case_sensitive_path(file.absolutePath());
+
+  //second, does it exist in the new parent dir?
+  if (exists(file_parent_dir + "/" + file_basename))
+    return file_parent_dir + "/" + file_basename;
+
+  //last resort, dirlist parent dir and find case insensitive match
+  QRegExp file_rx = QRegExp(file_basename, Qt::CaseInsensitive);
+  QStringList files = QDir(file_parent_dir).entryList();
+
+  int result = files.indexOf(file_rx);
+
+  if (result != -1)
+    return file_parent_dir + "/" + files.at(result);
+
+  //if nothing is found, let the caller handle the missing file
+  return file_parent_dir + "/" + file_basename;
 }