C++ (Cpp) CStr::begin示例

	bool Compile(GLuint target, const char* targetName, GLuint program, const VfsPath& file, const CStr& code)
	{
		ogl_WarnIfError();

		pglBindProgramARB(target, program);

		ogl_WarnIfError();

		pglProgramStringARB(target, GL_PROGRAM_FORMAT_ASCII_ARB, (GLsizei)code.length(), code.c_str());

		if (ogl_SquelchError(GL_INVALID_OPERATION))
		{
			GLint errPos = 0;
			glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errPos);
			int errLine = std::count(code.begin(), code.begin() + std::min((int)code.length(), errPos + 1), '\n') + 1;
			char* errStr = (char*)glGetString(GL_PROGRAM_ERROR_STRING_ARB);
			LOGERROR(L"Failed to compile %hs program '%ls' (line %d):\n%hs", targetName, file.string().c_str(), errLine, errStr);
			return false;
		}

		pglBindProgramARB(target, 0);

		ogl_WarnIfError();

		return true;
	}