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Basic CSV table class and test code

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LuChiChick 2025-11-21 17:45:12 +08:00
parent 274e1ca9b0
commit e3f5132086
3 changed files with 329 additions and 0 deletions
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94
Inc/CSV_Utilities.hpp Normal file
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#ifndef __CSV_EXPORTER__
#define __CSV_EXPORTER__
extern "C"
{
#include "stdint.h"
}
namespace CSV_Type
{
// 错误类型
typedef enum
{
CSV_ERROR_NONE, // None Error
CSV_ERROR_MEM_ALLOCATE_FAILED, // 内存分配失败
CSV_ERROR_COLUMN_NOT_FOUND, // 未查找到指定列
} CSV_Err;
}
class CSV_Table
{
protected:
size_t mem_use; // 存储占用
size_t column_count; // 列计数
struct Column_List_Node_Struct
{
char *column_title_str; // 列标题
size_t element_count; // 下属内容长度
struct Cell_List_Node // 单元格节点
{
char *content_str; // 内容字符串
Cell_List_Node *p_next_cell; // 列表索引
} *Cell_List_Head, *Cell_List_End; // 表头、表尾
Column_List_Node_Struct *p_next_column; // 下一列
} *Column_List_Head, *Column_List_End; // 列表横向表头、表尾
public:
// 构造函数
CSV_Table();
// 析构函数
~CSV_Table();
/**
* @brief 清理缓存数据并回到空白状态
* @param null
* @return null
*/
void reset();
/**
* @brief 在末尾新增列
* @param title_name_str 列标题
* @return CSV_Err 错误类型
*/
CSV_Type::CSV_Err append_column(const char *title_name_str);
/**
* @brief 在指定标题的列表后新增列
* @param target_column_title_str 目标列标题
* @param title_name_str 插入的列标题
* @return CSV_Err 错误类型
*/
CSV_Type::CSV_Err insert_column_after(const char *target_column_title_str, const char *title_name_str);
/**
* @brief 在指定标题的列表后新增列
* @param target_column_title_str 目标列标题
* @param title_name_str 插入的列标题
* @return CSV_Err 错误类型
*/
CSV_Type::CSV_Err insert_column_after(size_t target_column_position, const char *title_name_str);
/**
* @brief 指定列末尾新增单元格
* @param column_title_str 列标题
* @param cell_content_str 单元格内容串
* @return CSV_Err 错误类型
*/
CSV_Type::CSV_Err append_cell(const char *column_title_str, const char *cell_content_str);
/**
* @brief 指定列末尾新增单元格
* @param column_position 列位置计数
* @param cell_content_str 单元格内容串
* @return CSV_Err 错误类型
*/
CSV_Type::CSV_Err append_cell(size_t column_position, const char *cell_content_str);
};
#endif

223
Src/CSV_Utilities.cpp Normal file
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#include "CSV_Utilities.hpp"
extern "C"
{
#include "stdlib.h"
#include "string.h"
#include "stdio.h"
}
CSV_Table::CSV_Table()
{
this->column_count = 0;
this->mem_use = 0;
this->Column_List_End = this->Column_List_Head = nullptr;
}
CSV_Table::~CSV_Table()
{
this->reset();
}
void CSV_Table::reset()
{
// 清理尾指针
this->Column_List_End = nullptr;
this->column_count = 0;
this->mem_use = 0;
// 清理头指针及其内容
if (this->Column_List_Head != nullptr)
{
// 释放列
while (this->Column_List_Head != nullptr)
{
decltype(this->Column_List_Head) p_column = this->Column_List_Head;
// 释放单元格列表
while (p_column->Cell_List_Head != nullptr)
{
decltype(p_column->Cell_List_Head) p_cell = p_column->Cell_List_Head;
// 释放单元格内容
if (p_cell->content_str != nullptr)
free(p_cell->content_str);
p_column->Cell_List_Head = p_cell->p_next_cell;
free(p_cell->content_str);
}
// 释放标题
if (p_column->column_title_str != nullptr)
free(p_column->column_title_str);
this->Column_List_Head = p_column->p_next_column;
free(p_column);
}
}
}
CSV_Type::CSV_Err CSV_Table::append_column(const char *title_name_str)
{
// 开辟新节点
decltype(this->Column_List_Head) p_new_column = (decltype(this->Column_List_Head))malloc(sizeof(*(this->Column_List_Head)));
if (p_new_column == nullptr)
return CSV_Type::CSV_ERROR_MEM_ALLOCATE_FAILED;
this->mem_use += sizeof(*p_new_column);
// 节点初始化
p_new_column->Cell_List_Head = p_new_column->Cell_List_End = nullptr;
p_new_column->p_next_column = nullptr;
p_new_column->element_count = 0;
// 存储列标题名
if (title_name_str != nullptr)
{
char *p_title = (char *)malloc(strlen(title_name_str) + 1); // +1 for '\0'
if (p_title == nullptr)
{
free(p_new_column);
return CSV_Type::CSV_ERROR_MEM_ALLOCATE_FAILED;
}
this->mem_use += strlen(title_name_str) + 1;
strcpy(p_title, title_name_str);
p_new_column->column_title_str = p_title;
}
else
p_new_column->column_title_str = nullptr;
// 插入列链表
if (this->column_count == 0)
this->Column_List_End = this->Column_List_Head = p_new_column;
else
{
this->Column_List_End->p_next_column = p_new_column;
this->Column_List_End = p_new_column;
}
this->column_count++;
return CSV_Type::CSV_ERROR_NONE;
}
CSV_Type::CSV_Err CSV_Table::insert_column_after(const char *target_column_title_str, const char *title_name_str)
{
size_t count = 0;
decltype(this->Column_List_Head) p_column = this->Column_List_Head;
while (p_column != nullptr)
{
if (!strcmp(p_column->column_title_str, target_column_title_str))
return this->insert_column_after(count, title_name_str);
p_column = p_column->p_next_column;
count++;
}
return CSV_Type::CSV_ERROR_COLUMN_NOT_FOUND;
}
CSV_Type::CSV_Err CSV_Table::insert_column_after(size_t target_column_position, const char *title_name_str)
{
if ((target_column_position + 1) > this->column_count)
return CSV_Type::CSV_ERROR_COLUMN_NOT_FOUND;
decltype(this->Column_List_Head) p_column = this->Column_List_Head;
for (size_t count = 0; count < target_column_position; count++)
p_column = p_column->p_next_column;
// 开辟新节点
decltype(p_column) p_new_column = (decltype(p_column))malloc(sizeof(*(p_column)));
if (p_new_column == nullptr)
return CSV_Type::CSV_ERROR_MEM_ALLOCATE_FAILED;
this->mem_use += sizeof(*p_new_column);
// 节点初始化
p_new_column->Cell_List_Head = p_new_column->Cell_List_End = nullptr;
p_new_column->p_next_column = nullptr;
p_new_column->element_count = 0;
// 存储列标题名
if (title_name_str != nullptr)
{
char *p_title = (char *)malloc(strlen(title_name_str) + 1); // +1 for '\0'
if (p_title == nullptr)
{
free(p_new_column);
return CSV_Type::CSV_ERROR_MEM_ALLOCATE_FAILED;
}
this->mem_use += strlen(title_name_str) + 1;
strcpy(p_title, title_name_str);
p_new_column->column_title_str = p_title;
}
else
p_new_column->column_title_str = nullptr;
// 链接节点
p_new_column->p_next_column = p_column->p_next_column;
p_column->p_next_column = p_new_column;
this->column_count++;
// 目标位置在末尾时
if (target_column_position == this->column_count - 1)
this->Column_List_End = p_new_column;
return CSV_Type::CSV_ERROR_NONE;
}
CSV_Type::CSV_Err CSV_Table::append_cell(const char *column_title_str, const char *cell_content_str)
{
size_t count = 0;
decltype(this->Column_List_Head) p_column = this->Column_List_Head;
while (p_column != nullptr)
{
if (!strcmp(p_column->column_title_str, column_title_str))
return this->append_cell(count, cell_content_str);
p_column = p_column->p_next_column;
count++;
}
return CSV_Type::CSV_ERROR_COLUMN_NOT_FOUND;
}
CSV_Type::CSV_Err CSV_Table::append_cell(size_t column_position, const char *cell_content_str)
{
if ((column_position + 1) > this->column_count)
return CSV_Type::CSV_ERROR_COLUMN_NOT_FOUND;
decltype(this->Column_List_Head) p_column = this->Column_List_Head;
for (size_t count = 0; count < column_position; count++)
p_column = p_column->p_next_column;
decltype(p_column->Cell_List_Head) p_new_cell = (decltype(p_column->Cell_List_Head))malloc(sizeof(*(p_column->Cell_List_Head)));
if (p_new_cell == nullptr)
return CSV_Type::CSV_ERROR_MEM_ALLOCATE_FAILED;
this->mem_use += sizeof(*p_new_cell);
if (cell_content_str != nullptr)
{
char *p_content = (char *)malloc(strlen(cell_content_str) + 1); // +1 for '\0'
if (p_content == nullptr)
{
free(p_new_cell);
return CSV_Type::CSV_ERROR_MEM_ALLOCATE_FAILED;
}
this->mem_use += strlen(cell_content_str) + 1;
strcpy(p_content, cell_content_str);
p_new_cell->content_str = p_content;
}
else
p_new_cell->content_str = nullptr;
p_new_cell->p_next_cell = nullptr;
if (p_column->element_count == 0)
p_column->Cell_List_Head = p_column->Cell_List_End = p_new_cell;
else
{
p_column->Cell_List_End->p_next_cell = p_new_cell;
p_column->Cell_List_End = p_new_cell;
}
p_column->element_count++;
return CSV_Type::CSV_ERROR_NONE;
}

12
Src/Command_Solve.cpp
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@ -4,6 +4,7 @@
extern "C"
{
#include "windows.h"
#include "CSV_Utilities.hpp"
}
DLT_File File;
@ -11,6 +12,17 @@ DLT_File File;
// 命令行处理
void Pre_Command_Solve(void)
{
CSV_Table CSV;
CSV.append_column("Test column");
CSV.append_column("Test column 2");
CSV.append_column("Test column 3");
CSV.insert_column_after("Test column 2", "Test insert column");
CSV.append_cell("Test column 2", "1");
CSV.append_cell("Test column 3", "1");
CSV.append_cell("Test column 3", "2");
CSV.append_cell("Test column 3", "3");
// 获取命令行
int argc;
LPWSTR *argv;