From c7d548bfc3e7a672816f899964a0d8561d3e4b2f Mon Sep 17 00:00:00 2001
From: garak <garakmon@gmail.com>
Date: Wed, 11 Jan 2023 14:42:49 -0500
Subject: [PATCH] use a file cache for files that are already read

---
 src/core/parseutil.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/core/parseutil.cpp b/src/core/parseutil.cpp
index 363a835f..efac2f42 100644
--- a/src/core/parseutil.cpp
+++ b/src/core/parseutil.cpp
@@ -15,6 +15,8 @@ const QRegularExpression ParseUtil::re_poryScriptLabel("\\b(script)(\\((global|l
 const QRegularExpression ParseUtil::re_globalPoryScriptLabel("\\b(script)(\\((global)\\))?\\s*\\b(?<label>[\\w_][\\w\\d_]*)");
 const QRegularExpression ParseUtil::re_poryRawSection("\\b(raw)\\s*`(?<raw_script>[^`]*)");
 
+static QMap<QString, QString> fileCache;
+
 using OrderedJson = poryjson::Json;
 
 void ParseUtil::set_root(const QString &dir) {
@@ -52,6 +54,10 @@ QString ParseUtil::createErrorMessage(const QString &message, const QString &exp
 }
 
 QString ParseUtil::readTextFile(const QString &path) {
+    if (fileCache.contains(path)) {
+        return fileCache[path];
+    }
+
     QFile file(path);
     if (!file.open(QIODevice::ReadOnly)) {
         logError(QString("Could not open '%1': ").arg(path) + file.errorString());
@@ -65,6 +71,8 @@ QString ParseUtil::readTextFile(const QString &path) {
     while (!in.atEnd()) {
         text += in.readLine() + '\n';
     }
+
+    fileCache[path] = text;
     return text;
 }