diff filestates.cpp @ 92:06f4fffd5287

* Rename StatParser to FileStates; start thinking about selections

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filestates.cpp	Wed Nov 24 13:23:30 2010 +0000
@@ -0,0 +1,64 @@
+#include "filestates.h"
+
+#include "debug.h"
+
+#include <QMap>
+
+FileStates::FileStates(QString text)
+{
+    text.replace("\r\n", "\n");
+
+    QMap<QChar, QStringList *> buckets;
+    buckets['M'] = &modified;
+    buckets['A'] = &added;
+    buckets['R'] = &removed;
+    buckets['!'] = &missing;
+    buckets['?'] = &unknown;
+
+    QStringList lines = text.split("\n", QString::SkipEmptyParts);
+    foreach (QString line, lines) {
+        if (line.length() < 3 || line[1] != ' ') {
+            continue;
+        }
+        QChar tag = line[0];
+        QString file = line.right(line.length() - 2);
+        if (buckets.contains(tag)) {
+            buckets[tag]->push_back(file);
+        }
+    }
+
+    DEBUG << "FileStates: " << modified.size() << " modified, " << added.size()
+            << " added, " << removed.size() << " removed, " << missing.size()
+            << " missing, " << unknown.size() << " unknown" << endl;
+}
+
+QStringList FileStates::getFilesInState(State s)
+{
+    switch (s) {
+
+    case Modified: return modified;
+    case Added: return added;
+    case Unknown: return unknown;
+    case Removed: return removed;
+    case Missing: return missing;
+
+    case UpToDate: // not supported yet
+    default:
+        return QStringList();
+    }
+}
+
+FileStates::State FileStates::getStateOfFile(QString file)
+{
+    // slow, but let's worry about that if it becomes a problem
+    for (int is = int(FirstState); is <= int(LastState); ++is) {
+        QStringList fl = getFilesInState(State(is));
+        foreach (QString f, fl) if (f == file) return State(is);
+    }
+    DEBUG << "FileStates: WARNING: getStateOfFile: file "
+            << file << " is unknown to us: returning Unknown state, "
+            << "but unknown to us is not supposed to be the same "
+            << "thing as unknown state..."
+            << endl;
+    return Unknown;
+}