diff options
Diffstat (limited to 'include/utils')
| -rw-r--r-- | include/utils/SkRTConf.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/include/utils/SkRTConf.h b/include/utils/SkRTConf.h deleted file mode 100644 index d80e418419..0000000000 --- a/include/utils/SkRTConf.h +++ /dev/null @@ -1,193 +0,0 @@ -/* - * 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 SkRTConf_DEFINED -#define SkRTConf_DEFINED - -#include "../private/SkTDArray.h" -#include "../private/SkTDict.h" -#include "SkString.h" -#include "SkStream.h" - -/** \class SkRTConfBase - Non-templated base class for the runtime configs -*/ - -class SkRTConfBase { -public: - SkRTConfBase(const char *name) : fName(name) {} - virtual ~SkRTConfBase() {} - virtual const char *getName() const { return fName.c_str(); } - virtual bool isDefault() const = 0; - virtual void print(SkWStream *o) const = 0; - virtual bool equals(const SkRTConfBase *conf) const = 0; -protected: - SkString fName; -}; - -/** \class SkRTConf - A class to provide runtime configurability. -*/ -template<typename T> class SkRTConf: public SkRTConfBase { -public: - SkRTConf(const char *name, const T &defaultValue, const char *description); - operator const T&() const { return fValue; } - void print(SkWStream *o) const; - bool equals(const SkRTConfBase *conf) const; - bool isDefault() const { return fDefault == fValue; } - void set(const T& value) { fValue = value; } -protected: - void doPrint(char *s) const; - - T fValue; - T fDefault; - SkString fDescription; -}; - -#ifdef SK_DEBUG -#define SK_CONF_DECLARE(confType, varName, confName, defaultValue, description) static SkRTConf<confType> varName(confName, defaultValue, description) -#define SK_CONF_SET(confname, value) \ - skRTConfRegistry().set(confname, value, true) -/* SK_CONF_TRY_SET() is like SK_CONF_SET(), but doesn't complain if - confname can't be found. This is useful if the SK_CONF_DECLARE is - inside a source file whose linkage is dependent on the system. */ -#define SK_CONF_TRY_SET(confname, value) \ - skRTConfRegistry().set(confname, value, false) -#else -#define SK_CONF_DECLARE(confType, varName, confName, defaultValue, description) static confType varName = defaultValue -#define SK_CONF_SET(confname, value) (void) confname, (void) value -#define SK_CONF_TRY_SET(confname, value) (void) confname, (void) value -#endif - -/** \class SkRTConfRegistry - A class that maintains a systemwide registry of all runtime configuration - parameters. Mainly used for printing them out and handling multiply-defined - knobs. -*/ - -class SkRTConfRegistry { -public: - SkRTConfRegistry(); - ~SkRTConfRegistry(); - void printAll(const char *fname = NULL) const; - bool hasNonDefault() const; - void printNonDefault(const char *fname = NULL) const; - const char *configFileLocation() const; - void possiblyDumpFile() const; - void validate() const; - template <typename T> void set(const char *confname, - T value, - bool warnIfNotFound = true); - -private: - template<typename T> friend class SkRTConf; - - void registerConf(SkRTConfBase *conf); - - template <typename T> bool parse(const char *name, T* value); - - SkTDArray<SkString *> fConfigFileKeys, fConfigFileValues; - typedef SkTDict< SkTDArray<SkRTConfBase *> * > ConfMap; - ConfMap fConfs; - - template <typename T> - friend bool test_rt_conf_parse(SkRTConfRegistry*, const char* name, T* value); -}; - -// our singleton registry - -SkRTConfRegistry &skRTConfRegistry(); - -template<typename T> -SkRTConf<T>::SkRTConf(const char *name, const T &defaultValue, const char *description) - : SkRTConfBase(name) - , fValue(defaultValue) - , fDefault(defaultValue) - , fDescription(description) { - - T value; - if (skRTConfRegistry().parse(fName.c_str(), &value)) { - fValue = value; - } - skRTConfRegistry().registerConf(this); -} - -template<typename T> -void SkRTConf<T>::print(SkWStream *o) const { - char outline[200]; // should be ok because we specify a max. width for everything here. - char *outptr; - if (strlen(getName()) >= 30) { - o->writeText(getName()); - o->writeText(" "); - outptr = &(outline[0]); - } else { - sprintf(outline, "%-30.30s", getName()); - outptr = &(outline[30]); - } - - doPrint(outptr); - sprintf(outptr+30, " %.128s", fDescription.c_str()); - for (size_t i = strlen(outline); i --> 0 && ' ' == outline[i];) { - outline[i] = '\0'; - } - o->writeText(outline); -} - -template<typename T> -void SkRTConf<T>::doPrint(char *s) const { - sprintf(s, "%-30.30s", "How do I print myself??"); -} - -template<> inline void SkRTConf<bool>::doPrint(char *s) const { - char tmp[30]; - sprintf(tmp, "%s # [%s]", fValue ? "true" : "false", fDefault ? "true" : "false"); - sprintf(s, "%-30.30s", tmp); -} - -template<> inline void SkRTConf<int>::doPrint(char *s) const { - char tmp[30]; - sprintf(tmp, "%d # [%d]", fValue, fDefault); - sprintf(s, "%-30.30s", tmp); -} - -template<> inline void SkRTConf<unsigned int>::doPrint(char *s) const { - char tmp[30]; - sprintf(tmp, "%u # [%u]", fValue, fDefault); - sprintf(s, "%-30.30s", tmp); -} - -template<> inline void SkRTConf<float>::doPrint(char *s) const { - char tmp[30]; - sprintf(tmp, "%6.6f # [%6.6f]", fValue, fDefault); - sprintf(s, "%-30.30s", tmp); -} - -template<> inline void SkRTConf<double>::doPrint(char *s) const { - char tmp[30]; - sprintf(tmp, "%6.6f # [%6.6f]", fValue, fDefault); - sprintf(s, "%-30.30s", tmp); -} - -template<> inline void SkRTConf<const char *>::doPrint(char *s) const { - char tmp[30]; - sprintf(tmp, "%s # [%s]", fValue, fDefault); - sprintf(s, "%-30.30s", tmp); -} - -template<typename T> -bool SkRTConf<T>::equals(const SkRTConfBase *conf) const { - // static_cast here is okay because there's only one kind of child class. - const SkRTConf<T> *child_pointer = static_cast<const SkRTConf<T> *>(conf); - return child_pointer && - fName == child_pointer->fName && - fDescription == child_pointer->fDescription && - fValue == child_pointer->fValue && - fDefault == child_pointer->fDefault; -} - -#endif |