357 lines
8.5 KiB
C++
357 lines
8.5 KiB
C++
#pragma once
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#include <QString>
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#include <functional>
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#include <QList>
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#include "LexFoundation.h"
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#include "comndef.h"
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namespace Parse
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{
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namespace Result {
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class ProjectCore;
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class DesNode;
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class NamedNode;
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class DocCore;
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}
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namespace Result
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{
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/**
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* 词语块，可以通过文档未知直接获取.
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*/
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class Words
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{
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public:
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explicit Words(Result::DesNode* host, Result::DocCore *doc, const QString &value, int row, int col);
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virtual ~Words() = default;
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/**
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* 起始行位置.
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*
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* \return
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*/
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virtual int row() const;
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/**
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* 起始列位置.
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*
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* \return
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*/
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virtual int column() const;
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/**
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* 次愉快长度.
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*
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* \return 字符数量
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*/
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virtual int length() const;
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/**
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* 获取依托节点，悬空节点返回nullptr.
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*
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* \return
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*/
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virtual Result::DesNode* host() const;
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/**
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* 隶属文档实例.
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*
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* \return 实例
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*/
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virtual Result::DocCore* doc() const;
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/**
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* 获取文本内容.
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*
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* \return
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*/
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virtual QString toString() const;
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private:
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QString value_store;
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int row_store, col_store;
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Result::DesNode *desnode_store;
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Result::DocCore *docpresent_store;
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};
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/**
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* 描述性的节点，如文本节点和引用节点.
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*/
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class DesNode
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{
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public:
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virtual ~DesNode() = default;
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/**
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* 节点树深度，根节点深度为0
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*
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* \return
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*/
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virtual int depth() const = 0;
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/**
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* 承载文档源实例.
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*
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* \return
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*/
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virtual DocCore* document() const = 0;
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/**
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* 类型标记.
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*
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* \return 标记值
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*/
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virtual int typeValue() const = 0;
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/**
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* 获取该节点的父节点.
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*
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* \return 父节点实例
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*/
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virtual DesNode* parent() const = 0;
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/**
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* 添加子节点
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*
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* \param ins 节点实例
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*/
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virtual void appendChild(DesNode *ins) = 0;
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/**
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* 获取所有子节点
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*
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* \return 子节点集合
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*/
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virtual QList<DesNode*> children() const = 0;
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/**
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* 检查项目错误.
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*
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* \return true，没有错误
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*/
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virtual bool check(QList<QString> &reasons) const = 0;
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/**
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* 返回本节点的代表文本内容.
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*
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* \return 文本内容
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*/
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virtual QString toString() const = 0;
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};
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/**
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* 声明描述节点.
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*/
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class NamedNode : public Result::DesNode
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{
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public:
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virtual ~NamedNode() = default;
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/**
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* 获取此节点的名称.
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*
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* \return 名称字符串
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*/
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virtual QString name() const = 0;
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};
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/**
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* 文档实例.
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*/
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class DocCore
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{
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public:
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explicit DocCore(ProjectCore* core, const QString &path);
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virtual ~DocCore() = default;
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/**
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* 无法识别的节点归并.
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*
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* \return
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*/
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Result::DesNode* unknowns() const;
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/**
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* 项目实例.
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*
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* \return
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*/
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ProjectCore* project() const;
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/**
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* 重命名指向文件.
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*
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* \param new_name 新路径
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*/
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void rename(const QString &new_name);
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/**
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* 源文件路径.
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*
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* \return
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*/
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QString filePath() const;
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/**
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* 文件名.
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*
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* \return
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*/
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QString fileName() const;
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/**
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* 清除所有的词语节点和内容节点.
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*/
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void clear();
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/**
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* 对文档实例添加节点实例.
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*
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* \param ins 节点实例
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* \return 0 - 添加成功
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*/
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int append(Words *ins);
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/**
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* 通过位置获取词语.
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*
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* \param row 行位置
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* \param col 列位置
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* \return 字符号
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*/
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Words* getWords(int row, int col) const;
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private:
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Result::DesNode *const unknown_host;
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ProjectCore *const core_store;
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QString file_path_store;
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QList<Words*> nodes_store;
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};
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/**
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* 项目实例.
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*/
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class ProjectCore
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{
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private:
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QString name_store;
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public:
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explicit ProjectCore(const QString &name);
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virtual ~ProjectCore();
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/**
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* 获取文档内存实例，如果不存在指定实例，则新建实例.
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*
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* \param file_path 文档路径
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* \return 实例
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*/
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virtual Parse::Result::DocCore* queryDocument(const QString &file_path) const;
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virtual void replaceDocument(Parse::Result::DocCore *ins);
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virtual Parse::Result::DesNode* queryChain(const QString & name) const;
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virtual Parse::Result::DesNode* queryPoint(Parse::Result::NamedNode* chain, const QString &name) const;
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virtual Parse::Result::DesNode* queryUnit(const QString &name) const;
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virtual Parse::Result::DesNode* queryFragment(Parse::Result::NamedNode *unit, const QString &name) const;
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/**
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* 查询指定顺序下的节点序列.
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*
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* \param type 序列名称
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* \param unit 指定单元下的序列，nullptr代表全局范围
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* \return
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*/
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virtual QList<Parse::Result::NamedNode*> queryFragmentsOrderby(const QString &type, Parse::Result::NamedNode* unit = nullptr) const;
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};
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}
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}
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namespace Syntax {
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/**
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* 解析结果标志.
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*/
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enum class ParseResult
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{
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SelfManipulate = 1,
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EnterNext = 2,
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Completed = 3,
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Failed = 4,
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};
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/**
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* 解析器接口.
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*/
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class SyntaxParser
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{
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public:
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virtual ~SyntaxParser() = default;
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/**
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* 设置当前活动的Doc实例.
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*
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* \param ins
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*/
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virtual void docActive(Parse::Result::DocCore *ins) = 0;
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/**
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* 当前指向的文档.
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*
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* \return 文档实例
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*/
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virtual Parse::Result::DocCore* docRef() const = 0;
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/**
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* 适配当前解析.
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*
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* \param seqs
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* \return
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*/
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virtual bool applied(const QList<Lex::LexResult>& seqs) = 0;
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/**
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* 重置解析器
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*/
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virtual void reset() = 0;
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/**
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* 针对性的解析当前Token序列，对已经解析过的序列做摘除处理，返回下一步可能用到的解析器列表。
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*
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* \param seqs 标记序列
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* \param next_ps 下一步需要用到的解析器
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* \return 解析操作类型
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*/
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virtual ParseResult parse(QList<Lex::LexResult>& seqs)= 0;
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/**
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* 子解析器集合.
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*
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* \return
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*/
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virtual QList<SyntaxParser*> children() const = 0;
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/**
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* 当前聚焦的节点.
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*
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* \return
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*/
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virtual Parse::Result::DesNode* currNode() const = 0;
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public:
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/**
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* 设置子元素解析器，内部元素解析器集合.
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*
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* \param parsers 解析器集合
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*/
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virtual void addChild(QList<SyntaxParser*> parsers) = 0;
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};
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}
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