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李通洲
72 lines
3.2 KiB
C
72 lines
3.2 KiB
C
#pragma once
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#include "util/FFstrbuf.h"
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struct yyjson_val;
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struct yyjson_mut_doc;
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struct yyjson_mut_val;
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// Must be the first field of FFModuleOptions
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typedef struct FFModuleBaseInfo
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{
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const char* name;
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const char* description;
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// A dirty polymorphic implementation in C.
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// This is UB, because `void*` is not compatible with `FF*Options*`.
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// However we can't do it better unless we move to C++, so that `option` becomes a `this` pointer
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// https://stackoverflow.com/questions/559581/casting-a-function-pointer-to-another-type
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bool (*parseCommandOptions)(void* options, const char* key, const char* value);
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void (*parseJsonObject)(void* options, struct yyjson_val *module);
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void (*printModule)(void* options);
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void (*generateJsonResult)(void* options, struct yyjson_mut_doc* doc, struct yyjson_mut_val* module);
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void (*printHelpFormat)(void);
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void (*generateJsonConfig)(void* options, struct yyjson_mut_doc* doc, struct yyjson_mut_val* obj);
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} FFModuleBaseInfo;
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static inline void ffOptionInitModuleBaseInfo(
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FFModuleBaseInfo* baseInfo,
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const char* name,
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const char* description,
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void* parseCommandOptions, // bool (*const parseCommandOptions)(void* options, const char* key, const char* value)
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void* parseJsonObject, // void (*const parseJsonObject)(void* options, yyjson_val *module)
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void* printModule, // void (*const printModule)(void* options)
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void* generateJsonResult, // void (*const generateJsonResult)(void* options, yyjson_mut_doc* doc, yyjson_mut_val* obj)
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void (*printHelpFormat)(void),
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void* generateJsonConfig // void (*const generateJsonConfig)(void* options, yyjson_mut_doc* doc, yyjson_mut_val* obj)
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)
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{
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baseInfo->name = name;
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baseInfo->description = description;
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baseInfo->parseCommandOptions = (__typeof__(baseInfo->parseCommandOptions)) parseCommandOptions;
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baseInfo->parseJsonObject = (__typeof__(baseInfo->parseJsonObject)) parseJsonObject;
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baseInfo->printModule = (__typeof__(baseInfo->printModule)) printModule;
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baseInfo->generateJsonResult = (__typeof__(baseInfo->generateJsonResult)) generateJsonResult;
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baseInfo->printHelpFormat = printHelpFormat;
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baseInfo->generateJsonConfig = (__typeof__(baseInfo->generateJsonConfig)) generateJsonConfig;
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}
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typedef struct FFModuleArgs
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{
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FFstrbuf key;
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FFstrbuf keyColor;
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FFstrbuf outputFormat;
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uint32_t keyWidth;
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} FFModuleArgs;
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typedef struct FFKeyValuePair
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{
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const char* key;
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int value;
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} FFKeyValuePair;
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const char* ffOptionTestPrefix(const char* argumentKey, const char* moduleName);
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bool ffOptionParseModuleArgs(const char* argumentKey, const char* pkey, const char* value, FFModuleArgs* result);
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void ffOptionParseString(const char* argumentKey, const char* value, FFstrbuf* buffer);
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FF_C_NODISCARD uint32_t ffOptionParseUInt32(const char* argumentKey, const char* value);
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FF_C_NODISCARD int32_t ffOptionParseInt32(const char* argumentKey, const char* value);
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FF_C_NODISCARD int ffOptionParseEnum(const char* argumentKey, const char* requestedKey, FFKeyValuePair pairs[]);
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FF_C_NODISCARD bool ffOptionParseBoolean(const char* str);
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void ffOptionParseColor(const char* value, FFstrbuf* buffer);
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void ffOptionInitModuleArg(FFModuleArgs* args);
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void ffOptionDestroyModuleArg(FFModuleArgs* args);
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