SkCommandLineFlags.h revision 58190644c30e1c4aa8e527f3503c58f841e0fcf3
1096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger/* 2096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Copyright 2013 Google Inc. 3096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 4096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Use of this source code is governed by a BSD-style license that can be 5096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * found in the LICENSE file. 6096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 7096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 8e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger#ifndef SK_COMMAND_LINE_FLAGS_H 9e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger#define SK_COMMAND_LINE_FLAGS_H 10096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 11096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#include "SkString.h" 127839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger#include "SkTArray.h" 1358190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger#include "SkTDArray.h" 14096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 15096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger/** 16e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * Including this file (and compiling SkCommandLineFlags.cpp) provides command line 17096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * parsing. In order to use it, use the following macros in global 18096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * namespace: 19096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 20096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_bool(name, defaultValue, helpString); 21096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_string(name, defaultValue, helpString); 22096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_int32(name, defaultValue, helpString); 23096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_double(name, defaultValue, helpString); 24096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 25e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * Then, in main, call SkCommandLineFlags::SetUsage() to describe usage and call 26e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * SkCommandLineFlags::Parse() to parse the flags. Henceforth, each flag can 27096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * be referenced using 28096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 29096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * FLAGS_name 30096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 31096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * For example, the line 32096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 33096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_bool(boolean, false, "The variable boolean does such and such"); 34096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 35096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * will create the following variable: 36096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 37096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * bool FLAGS_boolean; 38096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 39096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * which will initially be set to false, and can be set to true by using the 40096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * flag "--boolean" on the commandline. "--noboolean" will set FLAGS_boolean 41e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * to false. FLAGS_boolean can also be set using "--boolean=true" or 42e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * "--boolean true" (where "true" can be replaced by "false", "TRUE", "FALSE", 43e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * "1" or "0"). 44e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * 45e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * The helpString will be printed if the help flag (-h or -help) is used. 46096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 47096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Similarly, the line 48096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 49096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_int32(integer, .., ..); 50096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 51096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * will create 52096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 53096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * int32_t FLAGS_integer; 54096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 55096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * and 56096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 57096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_double(real, .., ..); 58096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 59096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * will create 60096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 61096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * double FLAGS_real; 62096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 63096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * These flags can be set by specifying, for example, "--integer 7" and 64096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * "--real 3.14" on the command line. 65096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 66096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Unlike the others, the line 67096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 68096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DEFINE_string(args, .., ..); 69096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 70096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * creates an array: 71096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 727839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * SkCommandLineFlags::StringArray FLAGS_args; 73096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 74096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * If the default value is the empty string, FLAGS_args will default to a size 75096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * of zero. Otherwise it will default to a size of 1 with the default string 76096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * as its value. All strings that follow the flag on the command line (until 77096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * a string that begins with '-') will be entries in the array. 78096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 79096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Any flag can be referenced from another file after using the following: 80096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 81096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * DECLARE_x(name); 82096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 83096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * (where 'x' is the type specified in the DEFINE). 84096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 85096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Inspired by gflags (https://code.google.com/p/gflags/). Is not quite as 86096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * robust as gflags, but suits our purposes. For example, allows creating 87e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * a flag -h or -help which will never be used, since SkCommandLineFlags handles it. 88e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * SkCommandLineFlags will also allow creating --flag and --noflag. Uses the same input 89096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * format as gflags and creates similarly named variables (i.e. FLAGS_name). 90096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Strings are handled differently (resulting variable will be an array of 91096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * strings) so that a flag can be followed by multiple parameters. 92096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 93096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 94096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerclass SkFlagInfo; 95096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 96e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenbergerclass SkCommandLineFlags { 97096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 98096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerpublic: 99096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger /** 100096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Call to set the help message to be displayed. Should be called before 101e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * Parse. 102096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 103096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger static void SetUsage(const char* usage); 104096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 105096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger /** 106096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Call at the beginning of main to parse flags created by DEFINE_x, above. 107096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Must only be called once. 108096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 109e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger static void Parse(int argc, char** argv); 110096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 11158190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger /* Takes a list of the form [~][^]match[$] 11258190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger ~ causes a matching test to always be skipped 11358190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger ^ requires the start of the test to match 11458190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger $ requires the end of the test to match 11558190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger ^ and $ requires an exact match 11658190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger If a test does not match any list entry, it is skipped unless some list entry starts with ~ 11758190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger */ 11858190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger static bool ShouldSkip(const SkTDArray<const char*>& strings, const char* name); 11958190644c30e1c4aa8e527f3503c58f841e0fcf3Derek Sollenberger 1207839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger /** 1217839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * Custom class for holding the arguments for a string flag. 1227839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * Publicly only has accessors so the strings cannot be modified. 1237839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger */ 1247839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger class StringArray { 1257839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger public: 1267839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger const char* operator[](int i) const { 1277839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkASSERT(i >= 0 && i < fStrings.count()); 1287839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger return fStrings[i].c_str(); 1297839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger } 1307839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 1317839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger int count() const { 1327839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger return fStrings.count(); 1337839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger } 1347839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 1357839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger bool isEmpty() const { return this->count() == 0; } 1367839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 1377839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger private: 1387839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger void reset() { fStrings.reset(); } 1397839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 1407839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger void append(const char* string) { 1417839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger fStrings.push_back().set(string); 1427839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger } 1437839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 1447839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger void append(const char* string, size_t length) { 1457839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger fStrings.push_back().set(string, length); 1467839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger } 1477839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 1487839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkTArray<SkString> fStrings; 1497839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 1507839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger friend class SkFlagInfo; 1517839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger }; 1527839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 153096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerprivate: 154096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger static SkFlagInfo* gHead; 155096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger static SkString gUsage; 156096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 157096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // For access to gHead. 158096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger friend class SkFlagInfo; 159096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger}; 160096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 161096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define TO_STRING2(s) #s 162096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define TO_STRING(s) TO_STRING2(s) 163096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 164096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DEFINE_bool(name, defaultValue, helpString) \ 165096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerbool FLAGS_##name; \ 166096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic bool unused_##name = SkFlagInfo::CreateBoolFlag(TO_STRING(name), \ 167096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger NULL, \ 168096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger &FLAGS_##name, \ 169096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger defaultValue, \ 170096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger helpString) 171096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 172096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// bool 2 allows specifying a short name. No check is done to ensure that shortName 173096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// is actually shorter than name. 174096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DEFINE_bool2(name, shortName, defaultValue, helpString) \ 175096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerbool FLAGS_##name; \ 176096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic bool unused_##name = SkFlagInfo::CreateBoolFlag(TO_STRING(name), \ 177096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger TO_STRING(shortName),\ 178096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger &FLAGS_##name, \ 179096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger defaultValue, \ 180096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger helpString) 181096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 182096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DECLARE_bool(name) extern bool FLAGS_##name; 183096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 184096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DEFINE_string(name, defaultValue, helpString) \ 1857839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek SollenbergerSkCommandLineFlags::StringArray FLAGS_##name; \ 186096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic bool unused_##name = SkFlagInfo::CreateStringFlag(TO_STRING(name), \ 187096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger NULL, \ 188096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger &FLAGS_##name, \ 189096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger defaultValue, \ 190096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger helpString) 191096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 1927839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger// string2 allows specifying a short name. There is an assert that shortName 1937839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger// is only 1 character. 194096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DEFINE_string2(name, shortName, defaultValue, helpString) \ 1957839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek SollenbergerSkCommandLineFlags::StringArray FLAGS_##name; \ 196096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic bool unused_##name = SkFlagInfo::CreateStringFlag(TO_STRING(name), \ 197096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger TO_STRING(shortName), \ 198096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger &FLAGS_##name, \ 199096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger defaultValue, \ 200096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger helpString) 201096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 2027839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger#define DECLARE_string(name) extern SkCommandLineFlags::StringArray FLAGS_##name; 203096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 204096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DEFINE_int32(name, defaultValue, helpString) \ 205096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerint32_t FLAGS_##name; \ 206096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic bool unused_##name = SkFlagInfo::CreateIntFlag(TO_STRING(name), \ 207096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger &FLAGS_##name, \ 208096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger defaultValue, \ 209096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger helpString) 210096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 211096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DECLARE_int32(name) extern int32_t FLAGS_##name; 212096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 213096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DEFINE_double(name, defaultValue, helpString) \ 214096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerdouble FLAGS_##name; \ 215096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic bool unused_##name = SkFlagInfo::CreateDoubleFlag(TO_STRING(name), \ 216096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger &FLAGS_##name, \ 217096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger defaultValue, \ 218096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger helpString) 219096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 220096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define DECLARE_double(name) extern double FLAGS_##name; 221096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 222096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerclass SkFlagInfo { 223096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 224096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerpublic: 225096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger enum FlagTypes { 226096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger kBool_FlagType, 227096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger kString_FlagType, 228096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger kInt_FlagType, 229096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger kDouble_FlagType, 230096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger }; 231096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 2327839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger /** 2337839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * Each Create<Type>Flag function creates an SkFlagInfo of the specified type. The SkFlagInfo 2347839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * object is appended to a list, which is deleted when SkCommandLineFlags::Parse is called. 2357839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * Therefore, each call should be made before the call to ::Parse. They are not intended 2367839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * to be called directly. Instead, use the macros described above. 2377839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param name Long version (at least 2 characters) of the name of the flag. This name can 2387839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * be referenced on the command line as "--name" to set the value of this flag. 2397839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param shortName Short version (one character) of the name of the flag. This name can 2407839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * be referenced on the command line as "-shortName" to set the value of this flag. 2417839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param p<Type> Pointer to a global variable which holds the value set by SkCommandLineFlags. 2427839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param defaultValue The default value of this flag. The variable pointed to by p<Type> will 2437839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * be set to this value initially. This is also displayed as part of the help output. 2447839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param helpString Explanation of what this flag changes in the program. 2457839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger */ 246096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger static bool CreateBoolFlag(const char* name, const char* shortName, bool* pBool, 247096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger bool defaultValue, const char* helpString) { 2487839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkFlagInfo* info = SkNEW_ARGS(SkFlagInfo, (name, shortName, kBool_FlagType, helpString)); 249096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger info->fBoolValue = pBool; 250096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger *info->fBoolValue = info->fDefaultBool = defaultValue; 251096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return true; 252096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 253096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 2547839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger /** 2557839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * See comments for CreateBoolFlag. 2567839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param pStrings Unlike the others, this is a pointer to an array of values. 2577839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param defaultValue Thise default will be parsed so that strings separated by spaces 2587839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * will be added to pStrings. 2597839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger */ 260096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger static bool CreateStringFlag(const char* name, const char* shortName, 2617839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkCommandLineFlags::StringArray* pStrings, 2627839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger const char* defaultValue, const char* helpString); 263096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 2647839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger /** 2657839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * See comments for CreateBoolFlag. 2667839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger */ 267096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger static bool CreateIntFlag(const char* name, int32_t* pInt, 268096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger int32_t defaultValue, const char* helpString) { 2697839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkFlagInfo* info = SkNEW_ARGS(SkFlagInfo, (name, NULL, kInt_FlagType, helpString)); 270096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger info->fIntValue = pInt; 271096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger *info->fIntValue = info->fDefaultInt = defaultValue; 272096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return true; 273096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 274096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 2757839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger /** 2767839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * See comments for CreateBoolFlag. 2777839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger */ 278096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger static bool CreateDoubleFlag(const char* name, double* pDouble, 279096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger double defaultValue, const char* helpString) { 2807839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkFlagInfo* info = SkNEW_ARGS(SkFlagInfo, (name, NULL, kDouble_FlagType, helpString)); 281096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger info->fDoubleValue = pDouble; 282096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger *info->fDoubleValue = info->fDefaultDouble = defaultValue; 283096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return true; 284096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 285096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 286096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger /** 287e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * Returns true if the string matches this flag. 288e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * For a boolean flag, also sets the value, since a boolean flag can be set in a number of ways 289e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * without looking at the following string: 290e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --name 291e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --noname 292e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --name=true 293e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --name=false 294e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --name=1 295e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --name=0 296e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --name=TRUE 297e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger * --name=FALSE 298096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 299e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger bool match(const char* string); 300096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 301096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger FlagTypes getFlagType() const { return fFlagType; } 302096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 303096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger void resetStrings() { 304096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (kString_FlagType == fFlagType) { 305096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger fStrings->reset(); 306096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } else { 307096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkASSERT(!"Can only call resetStrings on kString_FlagType"); 308096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 309096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 310096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 311096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger void append(const char* string) { 312096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (kString_FlagType == fFlagType) { 3137839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger fStrings->append(string); 314096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } else { 315096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkASSERT(!"Can only append to kString_FlagType"); 316096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 317096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 318096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 319096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger void setInt(int32_t value) { 320096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (kInt_FlagType == fFlagType) { 321096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger *fIntValue = value; 322096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } else { 323096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkASSERT(!"Can only call setInt on kInt_FlagType"); 324096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 325096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 326096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 327096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger void setDouble(double value) { 328096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (kDouble_FlagType == fFlagType) { 329096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger *fDoubleValue = value; 330096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } else { 331096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkASSERT(!"Can only call setDouble on kDouble_FlagType"); 332096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 333096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 334096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 335e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger void setBool(bool value) { 336e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger if (kBool_FlagType == fFlagType) { 337e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger *fBoolValue = value; 338e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger } else { 339e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger SkASSERT(!"Can only call setBool on kBool_FlagType"); 340e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger } 341e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger } 342e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger 343096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkFlagInfo* next() { return fNext; } 344096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 345096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const SkString& name() const { return fName; } 346096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 347e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger const SkString& shortName() const { return fShortName; } 348e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger 349096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const SkString& help() const { return fHelpString; } 350096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 351096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkString defaultValue() const { 352096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkString result; 353096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger switch (fFlagType) { 354096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kBool_FlagType: 355096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger result.printf("%s", fDefaultBool ? "true" : "false"); 356096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger break; 357096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kString_FlagType: 358096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return fDefaultString; 359096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kInt_FlagType: 360096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger result.printf("%i", fDefaultInt); 361096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger break; 362096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kDouble_FlagType: 363096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger result.printf("%2.2f", fDefaultDouble); 364096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger break; 365096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger default: 366096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkASSERT(!"Invalid flag type"); 367096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 368096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return result; 369096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 370096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 371096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkString typeAsString() const { 372096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger switch (fFlagType) { 373096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kBool_FlagType: 374096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return SkString("bool"); 375096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kString_FlagType: 376096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return SkString("string"); 377096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kInt_FlagType: 378096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return SkString("int"); 379096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger case SkFlagInfo::kDouble_FlagType: 380096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return SkString("double"); 381096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger default: 382096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkASSERT(!"Invalid flag type"); 383096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return SkString(); 384096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 385096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 386096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 387096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerprivate: 3887839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkFlagInfo(const char* name, const char* shortName, FlagTypes type, const char* helpString) 389096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger : fName(name) 3907839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger , fShortName(shortName) 391096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fFlagType(type) 392096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fHelpString(helpString) 393096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fBoolValue(NULL) 394096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fDefaultBool(false) 395096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fIntValue(NULL) 396096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fDefaultInt(0) 397096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fDoubleValue(NULL) 398096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fDefaultDouble(0) 399096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger , fStrings(NULL) { 400e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger fNext = SkCommandLineFlags::gHead; 401e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger SkCommandLineFlags::gHead = this; 4027839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkASSERT(NULL != name && strlen(name) > 1); 4037839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkASSERT(NULL == shortName || 1 == strlen(shortName)); 404096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 4057839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 4067839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger /** 4077839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * Set a StringArray to hold the values stored in defaultStrings. 4087839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param array The StringArray to modify. 4097839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * @param defaultStrings Space separated list of strings that should be inserted into array 4107839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger * individually. 4117839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger */ 4127839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger static void SetDefaultStrings(SkCommandLineFlags::StringArray* array, 4137839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger const char* defaultStrings); 4147839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger 415096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // Name of the flag, without initial dashes 416096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkString fName; 417096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkString fShortName; 418096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger FlagTypes fFlagType; 419096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkString fHelpString; 420096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger bool* fBoolValue; 421096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger bool fDefaultBool; 422096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger int32_t* fIntValue; 423096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger int32_t fDefaultInt; 424096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger double* fDoubleValue; 425096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger double fDefaultDouble; 4267839ce1af63bf12fe7b3caa866970bbbb3afb13dDerek Sollenberger SkCommandLineFlags::StringArray* fStrings; 427096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // Both for the help string and in case fStrings is empty. 428096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkString fDefaultString; 429096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 430096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // In order to keep a linked list. 431096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SkFlagInfo* fNext; 432096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger}; 433e2022cc36e47b9f0d219eb5cd24be61772c28d3bDerek Sollenberger#endif // SK_COMMAND_LINE_FLAGS_H 434