cppgraphqlgen/include/SchemaGenerator.h at main · gitmodimo/cppgraphqlgen · GitHub

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// Licensed under the MIT License.

#pragma once

#ifndef SCHEMAGENERATOR_H

#define SCHEMAGENERATOR_H

#include "SchemaLoader.h"

namespace graphql::generator::schema {

struct [[nodiscard]] GeneratorPaths

{

const std::string headerPath;

const std::string sourcePath;

};

struct [[nodiscard]] GeneratorOptions

{

const GeneratorPaths paths;

const bool verbose = false;

const bool stubs = false;

const bool noIntrospection = false;

};

class [[nodiscard]] Generator

{

public:

// Initialize the generator with the introspection schema or a custom GraphQL schema.

explicit Generator(SchemaOptions&& schemaOptions, GeneratorOptions&& options);

// Run the generator and return a list of filenames that were output.

[[nodiscard]] std::vector<std::string> Build() const noexcept;

private:

[[nodiscard]] std::string getHeaderDir() const noexcept;

[[nodiscard]] std::string getSourceDir() const noexcept;

[[nodiscard]] std::string getHeaderPath() const noexcept;

[[nodiscard]] std::string getSourcePath() const noexcept;

[[nodiscard]] bool outputHeader() const noexcept;

void outputInterfaceDeclaration(std::ostream& headerFile, std::string_view cppType) const;

void outputObjectImplements(std::ostream& headerFile, const ObjectType& objectType) const;

void outputObjectStubs(std::ostream& headerFile, const ObjectType& objectType) const;

void outputObjectDeclaration(

std::ostream& headerFile, const ObjectType& objectType, bool isQueryType) const;

[[nodiscard]] std::string getFieldDeclaration(const InputField& inputField) const noexcept;

[[nodiscard]] std::string getFieldDeclaration(const OutputField& outputField) const noexcept;

[[nodiscard]] std::string getResolverDeclaration(const OutputField& outputField) const noexcept;

[[nodiscard]] bool outputSource() const noexcept;

void outputInterfaceImplementation(std::ostream& sourceFile, std::string_view cppType) const;

void outputInterfaceIntrospection(

std::ostream& sourceFile, const InterfaceType& interfaceType) const;

void outputUnionIntrospection(std::ostream& sourceFile, const UnionType& unionType) const;

void outputObjectImplementation(

std::ostream& sourceFile, const ObjectType& objectType, bool isQueryType) const;

void outputObjectIntrospection(std::ostream& sourceFile, const ObjectType& objectType) const;

void outputIntrospectionInterfaces(std::ostream& sourceFile, std::string_view cppType,

const std::vector<std::string_view>& interfaces) const;

void outputIntrospectionFields(

std::ostream& sourceFile, std::string_view cppType, const OutputFieldList& fields) const;

[[nodiscard]] std::string getArgumentDefaultValue(

size_t level, const response::Value& defaultValue) const noexcept;

[[nodiscard]] std::string getArgumentDeclaration(const InputField& argument,

const char* prefixToken, const char* argumentsToken,

const char* defaultToken) const noexcept;

[[nodiscard]] std::string getArgumentAccessType(const InputField& argument) const noexcept;

[[nodiscard]] std::string getResultAccessType(const OutputField& result) const noexcept;

[[nodiscard]] std::string getTypeModifiers(const TypeModifierStack& modifiers) const noexcept;

[[nodiscard]] std::string getIntrospectionType(

std::string_view type, const TypeModifierStack& modifiers) const noexcept;

[[nodiscard]] std::vector<std::string> outputSeparateFiles() const noexcept;

static const std::string s_currentDirectory;

SchemaLoader _loader;

const GeneratorOptions _options;

const std::string _headerDir;

const std::string _sourceDir;

const std::string _headerPath;

const std::string _sourcePath;

};

} // namespace graphql::generator::schema

#endif // SCHEMAGENERATOR_H

cppgraphqlgen/include/SchemaGenerator.h at main · gitmodimo/cppgraphqlgen · GitHub

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