taynpg/OneLevelXmlOpr
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new-feature：1.添加带表达式内容的xml格式化。2.支持带特殊字符的读写，如& < > "。

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This commit is contained in:
taynpg
2024-09-14 00:02:48 +08:00
parent bb511d1bac
commit 6896fa5090
20 changed files with 332 additions and 95 deletions
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162
src/xml_opr.cpp
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@@ -1,6 +1,9 @@
#include "xml_opr.h"
#include <filesystem>
#include <fstream>
#include <regex>
#include <sstream>
#include "../public_def.h"
@@ -12,7 +15,8 @@ CXmlOpr::~CXmlOpr() = default;
bool CXmlOpr::open(const std::string& xml_path)
{
#ifdef _WIN32
if (doc_.LoadFile(CUtil::utf8_to_gbk(xml_path).c_str()) != tinyxml2::XML_SUCCESS) {
if (doc_.LoadFile(CUtil::utf8_to_gbk(xml_path).c_str()) !=
tinyxml2::XML_SUCCESS) {
return false;
}
xml_path_ = CUtil::utf8_to_gbk(xml_path);
@@ -25,7 +29,8 @@ bool CXmlOpr::open(const std::string& xml_path)
return true;
}
bool CXmlOpr::backup_file(const std::string& desti_folder, const std::string& time)
bool CXmlOpr::backup_file(const std::string& desti_folder,
const std::string& time)
{
if (!fs::exists(xml_path_)) {
return false;
@@ -34,7 +39,8 @@ bool CXmlOpr::backup_file(const std::string& desti_folder, const std::string& ti
fs::create_directories(desti_folder);
}
fs::path file_path = fs::path(xml_path_);
fs::path des = fs::path(desti_folder).append(file_path.stem().string() + "_" + time + ".xml");
fs::path des = fs::path(desti_folder)
.append(file_path.stem().string() + "_" + time + ".xml");
return fs::copy_file(xml_path_, des);
}
@@ -43,7 +49,8 @@ void CXmlOpr::set_baseinfo(const OneGroupIni& base)
opr_base_ = base;
}
bool CXmlOpr::get_all_elements(std::vector<Element_t*>& vec, const std::string& unit)
bool CXmlOpr::get_all_elements(std::vector<Element_t*>& vec,
const std::string& unit)
{
vec.clear();
@@ -61,7 +68,8 @@ bool CXmlOpr::get_all_elements(std::vector<Element_t*>& vec, const std::string&
}
}
auto purpose_node = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
auto purpose_node =
parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
while (purpose_node) {
vec.push_back(purpose_node);
purpose_node = purpose_node->NextSiblingElement();
@@ -123,11 +131,13 @@ bool CXmlOpr::get_all_unit(std::vector<std::string>& units)
}
// 排序后（仅指针排序）的节点进行复制（让实际内容有序），删除原始节点
void CXmlOpr::copy_and_del(std::vector<Element_t*>& vec, std::vector<Element_t*>& out)
void CXmlOpr::copy_and_del(std::vector<Element_t*>& vec,
std::vector<Element_t*>& out)
{
out.clear();
// 先找到最后一个节点
Element_t* last_node = parent_node2_->LastChildElement(opr_base_.item_key.c_str());
Element_t* last_node =
parent_node2_->LastChildElement(opr_base_.item_key.c_str());
Element_t* last_node_bk = last_node;
if (last_node == nullptr) {
return;
@@ -139,7 +149,8 @@ void CXmlOpr::copy_and_del(std::vector<Element_t*>& vec, std::vector<Element_t*>
last_node = n;
}
// 删除原有的节点
Element_t* fnode = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
Element_t* fnode =
parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
Element_t* fnext = fnode->NextSiblingElement();
while (fnode != last_node_bk) {
parent_node2_->DeleteChild(fnode);
@@ -183,7 +194,8 @@ bool CXmlOpr::check_valid_xml_data(const std::string& data)
bool CXmlOpr::check_same_struct(const std::string& data)
{
auto* own_ele = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
auto* own_ele =
parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
if (own_ele == nullptr) {
return true;
}
@@ -222,10 +234,12 @@ bool CXmlOpr::check_same_struct(const std::string& data)
// Warning: 不检查 xml 格式合法性，请自行调用 check_valid_xml_data
// 且导入前每条数据请自行使用 check_same_struct 检测。
bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec, std::size_t& success_count)
bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec,
std::size_t& success_count)
{
success_count = 0;
auto* last_item = parent_node2_->LastChildElement(opr_base_.item_key.c_str());
auto* last_item =
parent_node2_->LastChildElement(opr_base_.item_key.c_str());
if (last_item == nullptr) {
return false;
}
@@ -248,6 +262,114 @@ bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec, std::size_t
}
return true;
}
std::string CXmlOpr::handle_space(const std::string& content)
{
std::string result;
size_t pos = 0;
size_t len = content.length();
// Define a regular expression for the operators
std::regex operators_regex(R"(&&|!=|==|<|>|\|\||\+|-|\*|/)");
while (pos < len) {
size_t start_quote = content.find('"', pos);
if (start_quote == std::string::npos) {
result.append(content.substr(pos));
break;
}
// Append everything before the first quote
result.append(content.substr(pos, start_quote - pos));
// Find the ending quote
size_t end_quote = content.find('"', start_quote + 1);
if (end_quote == std::string::npos) {
result.append(content.substr(start_quote));
break;
}
// Extract the quoted content
std::string quoted_content =
content.substr(start_quote + 1, end_quote - start_quote - 1);
std::string processed_content =
std::regex_replace(quoted_content, operators_regex, " $& ");
// Process quoted content to replace multiple spaces with a single space
std::istringstream iss(processed_content);
std::ostringstream oss;
std::string word;
bool first = true;
while (iss >> word) {
if (!first) {
oss << ' ';
}
oss << word;
first = false;
}
// Append processed content with quotes
result.append("\"" + oss.str() + "\"");
// Move past the ending quote
pos = end_quote + 1;
}
return result;
}
bool CXmlOpr::handle_transfer(const std::string& path)
{
std::ifstream file(path);
if (!file.is_open()) {
return false;
}
std::istreambuf_iterator<char> ifter(file);
std::istreambuf_iterator<char> iter;
std::string content(ifter, iter);
file.close();
size_t pos = 0;
std::string result = content;
// Replace XML entities with their corresponding characters
while ((pos = result.find("&amp;", pos)) != std::string::npos) {
result.replace(pos, 5, "&");
pos += 1; // Move past the replaced character
}
pos = 0;
while ((pos = result.find("&lt;", pos)) != std::string::npos) {
result.replace(pos, 4, "<");
pos += 1; // Move past the replaced character
}
pos = 0;
while ((pos = result.find("&gt;", pos)) != std::string::npos) {
result.replace(pos, 4, ">");
pos += 1; // Move past the replaced character
}
pos = 0;
while ((pos = result.find("&quot;", pos)) != std::string::npos) {
result.replace(pos, 6, "\"");
pos += 1; // Move past the replaced character
}
pos = 0;
while ((pos = result.find("&apos;", pos)) != std::string::npos) {
result.replace(pos, 6, "'");
pos += 1; // Move past the replaced character
}
// 处理空格格式化
std::string sec_handle = handle_space(result);
std::ofstream ofile(path);
if (!ofile.is_open()) {
return false;
}
ofile << sec_handle;
return true;
}
void CXmlOpr::del_element(Element_t* ele)
{
@@ -267,7 +389,8 @@ bool CXmlOpr::check_key_exists(const std::string& key)
if (keys_.size() < 1 || key.empty()) {
return false;
}
Element_t* purpose_node = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
Element_t* purpose_node =
parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
while (purpose_node) {
const char* value = purpose_node->Attribute(keys_[0].c_str());
if (key == std::string(value)) {
@@ -287,6 +410,21 @@ bool CXmlOpr::save()
return true;
}
bool CXmlOpr::handle_save(const std::string& path)
{
if (!open(path)) {
return false;
}
auto ret = doc_.SaveFile(xml_path_.c_str());
if (ret != tinyxml2::XML_SUCCESS) {
return false;
}
if (!handle_transfer(xml_path_)) {
return false;
}
return true;
}
void CXmlOpr::get_attributes(Element_t* ele, Property_t& vec)
{
if (ele == nullptr) {