Have R classes generate their own reference rewrite logic

Change-Id: I0e5b8311fc3479d966a49f9acf0d4c32a6a024d3

1 files changed, 63 insertions, 0 deletions

diff --git a/tools/aapt/IndentPrinter.h b/tools/aapt/IndentPrinter.h
new file mode 100644
index 0000000..6fc94bc
--- /dev/null
+++ b/tools/aapt/IndentPrinter.h
@@ -0,0 +1,63 @@
+#ifndef __INDENT_PRINTER_H
+#define __INDENT_PRINTER_H
+
+class IndentPrinter {
+public:
+    IndentPrinter(FILE* stream, int indentSize=2)
+        : mStream(stream)
+        , mIndentSize(indentSize)
+        , mIndent(0)
+        , mNeedsIndent(true) {
+    }
+
+    void indent(int amount = 1) {
+        mIndent += amount;
+        if (mIndent < 0) {
+            mIndent = 0;
+        }
+    }
+
+    void print(const char* fmt, ...) {
+        doIndent();
+        va_list args;
+        va_start(args, fmt);
+        vfprintf(mStream, fmt, args);
+        va_end(args);
+    }
+
+    void println(const char* fmt, ...) {
+        doIndent();
+        va_list args;
+        va_start(args, fmt);
+        vfprintf(mStream, fmt, args);
+        va_end(args);
+        fputs("\n", mStream);
+        mNeedsIndent = true;
+    }
+
+    void println() {
+        doIndent();
+        fputs("\n", mStream);
+        mNeedsIndent = true;
+    }
+
+private:
+    void doIndent() {
+        if (mNeedsIndent) {
+            int numSpaces = mIndent * mIndentSize;
+            while (numSpaces > 0) {
+                fputs(" ", mStream);
+                numSpaces--;
+            }
+            mNeedsIndent = false;
+        }
+    }
+
+    FILE* mStream;
+    const int mIndentSize;
+    int mIndent;
+    bool mNeedsIndent;
+};
+
+#endif // __INDENT_PRINTER_H
+