match ut_TagProcessorBase. thanks ogws

src/nw4r/ut/ut_TagProcessorBase.cpp

@@ -0,0 +1,88 @@
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+
+template <typename T>
+TagProcessorBase<T>::TagProcessorBase() {}
+
+template <typename T>
+TagProcessorBase<T>::~TagProcessorBase() {}
+
+template <typename T>
+Operation TagProcessorBase<T>::Process(u16 ch, PrintContext<T> *ctx) {
+    switch (ch) {
+    case '\n':
+        ProcessLinefeed(ctx);
+        return OPERATION_NEXT_LINE;
+    case '\t':
+        ProcessTab(ctx);
+        return OPERATION_NO_CHAR_SPACE;
+    }
+
+    return OPERATION_DEFAULT;
+}
+
+template <typename T>
+Operation TagProcessorBase<T>::CalcRect(Rect *rect, u16 ch, PrintContext<T> *ctx) {
+    switch (ch) {
+    case '\n': {
+        const TextWriterBase<T> &writer = *ctx->writer;
+        rect->right = writer.GetCursorX();
+        rect->top = writer.GetCursorY();
+        ProcessLinefeed(ctx);
+        rect->left = writer.GetCursorX();
+        rect->bottom = writer.GetCursorY() + ctx->writer->GetFontHeight();
+        rect->Normalize();
+        return OPERATION_NEXT_LINE;
+    }
+    case '\t': {
+        const TextWriterBase<T> &writer = *ctx->writer;
+        rect->left = writer.GetCursorX();
+        ProcessTab(ctx);
+        rect->right = writer.GetCursorX();
+        rect->top = writer.GetCursorY();
+        rect->bottom = rect->top + writer.GetFontHeight();
+        rect->Normalize();
+        return OPERATION_NO_CHAR_SPACE;
+    }
+    }
+
+    return OPERATION_DEFAULT;
+}
+
+template <typename T>
+void TagProcessorBase<T>::ProcessTab(PrintContext<T> *ctx) {
+    TextWriterBase<T> &writer = *ctx->writer;
+
+    int tabWidth = writer.GetTabWidth();
+    if (tabWidth <= 0) {
+        return;
+    }
+
+    f32 charWidth = writer.IsWidthFixed() ? writer.GetFixedWidth() : writer.GetFontWidth();
+
+    f32 dx = writer.GetCursorX() - ctx->x;
+    f32 tabPixel = tabWidth * charWidth;
+    int numTab = static_cast<int>(dx / tabPixel) + 1;
+    f32 x = ctx->x + (tabPixel * numTab);
+
+    writer.SetCursorX(x);
+}
+
+template <typename T>
+void TagProcessorBase<T>::ProcessLinefeed(PrintContext<T> *ctx) {
+    TextWriterBase<T> &writer = *ctx->writer;
+
+    f32 x = ctx->x;
+    f32 y = writer.GetCursorY() + writer.GetLineHeight();
+
+    writer.SetCursorX(x);
+    writer.SetCursorY(y);
+}
+
+template class TagProcessorBase<char>;
+template class TagProcessorBase<wchar_t>;
+
+} // namespace ut
+} // namespace nw4r