Allow pdfium_test to send simple events to each page.

testing/test_support.cpp

 // Copyright 2015 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "testing/test_support.h"
 
 #include <stdio.h>
 #include <string.h>
 
 #include <string>
@@ skipping 100 matching lines @@
     ++characters;
 
   std::wstring platform_string(characters, L'\0');
   for (size_t i = 0; i < characters + 1; ++i) {
     const unsigned char* ptr = reinterpret_cast<const unsigned char*>(&wstr[i]);
     platform_string[i] = ptr[0] + 256 * ptr[1];
   }
   return platform_string;
 }
 
+std::vector<std::string> StringSplit(const std::string& str, char delimiter) {
+  std::vector<std::string> result;
+  size_t pos = 0;
+  while (1) {
+    size_t found = str.find(delimiter, pos);
+    if (found == std::string::npos)
+      break;
+
+    result.push_back(str.substr(pos, found - pos));
+    pos = found + 1;
+  }
+  result.push_back(str.substr(pos));
+  return result;
+}
+
 std::unique_ptr<unsigned short, pdfium::FreeDeleter> GetFPDFWideString(
     const std::wstring& wstr) {
   size_t length = sizeof(uint16_t) * (wstr.length() + 1);
   std::unique_ptr<unsigned short, pdfium::FreeDeleter> result(
       static_cast<unsigned short*>(malloc(length)));
   char* ptr = reinterpret_cast<char*>(result.get());
   size_t i = 0;
   for (wchar_t w : wstr) {
     ptr[i++] = w & 0xff;
     ptr[i++] = (w >> 8) & 0xff;
@@ skipping 54 matching lines @@
 }
 
 // static
 int TestSaver::WriteBlockCallback(FPDF_FILEWRITE* pFileWrite,
                                   const void* data,
                                   unsigned long size) {
   TestSaver* pThis = static_cast<TestSaver*>(pFileWrite);
   pThis->m_String.append(static_cast<const char*>(data), size);
   return 1;
 }