code cleanup

experimental/PdfViewer/SkPdfUtils.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPdfUtils_DEFINED
 #define SkPdfUtils_DEFINED
 
@@ skipping 14 matching lines @@
     kNYI_SkPdfResult,
     kIgnoreError_SkPdfResult,
     kError_SkPdfResult,
     kUnsupported_SkPdfResult,
 
     kCount_SkPdfResult
 };
 
 struct NotOwnedString {
     const unsigned char* fBuffer;
+    // TODO(edisonn): clean up, the last two bytes are used to signal if compression is used
     size_t fBytes;
 
     static void init(NotOwnedString* str) {
         str->fBuffer = NULL;
         str->fBytes = 0;
     }
 
     static void init(NotOwnedString* str, const char* sz) {
         str->fBuffer = (const unsigned char*)sz;
         str->fBytes = strlen(sz);
     }
 
     bool equals(const char* sz) {
         return strncmp((const char*)fBuffer, sz, fBytes) == 0 && fBytes == strlen(sz);
 
     }
 };
 
+SkMatrix SkMatrixFromPdfMatrix(double array[6]);
+
 // TODO(edisonn): hack to make code generation simpler. Alternatively we can update the
 // generate_code.py not to rely on != operator
 bool operator !=(const SkString& first, const char* second);
 
 SkMatrix SkMatrixFromPdfArray(SkPdfArray* pdfArray);
 
 SkPdfResult doType3Char(SkPdfContext* pdfContext, SkCanvas* canvas, const SkPdfNativeObject* skobj, SkRect bBox, SkMatrix matrix, double textSize);
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 //
 // TRACE functions
 //
 #ifdef PDF_TRACE
 void SkTraceMatrix(const SkMatrix& matrix, const char* sz);
 void SkTraceRect(const SkRect& rect, const char* sz);
 #else
 #define SkTraceMatrix(a,b)
 #define SkTraceRect(a,b)
 #endif
 
+#ifdef PDF_TRACE_TOKENIZER
+
+static void TRACE_COMMENT(char ch) {
+    printf("%c", ch);
+}
+
+static void TRACE_TK(char ch) {
+    printf("%c", ch);
+}
+
+static void TRACE_NAME(const unsigned char* start, const unsigned char* end) {
+    while (start < end) {
+        printf("%c", *start);
+        start++;
+    }
+    printf("\n");
+}
+
+static void TRACE_STRING(const unsigned char* start, const unsigned char* end) {
+    while (start < end) {
+        printf("%c", *start);
+        start++;
+    }
+    printf("\n");
+}
+
+static void TRACE_HEXSTRING(const unsigned char* start, const unsigned char* end) {
+    while (start < end) {
+        printf("%c", *start);
+        start++;
+    }
+    printf("\n");
+}
+
+#else
+#define TRACE_COMMENT(ch)
+#define TRACE_TK(ch)
+#define TRACE_NAME(start,end)
+#define TRACE_STRING(start,end)
+#define TRACE_HEXSTRING(start,end)
+#endif
+
 #endif   // SkPdfUtils_DEFINED