You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

138 lines
4.2 KiB

using Apewer;
using System;
using System.Collections.Generic;
using System.Text;
namespace Apewer.Models
{
/// <summary></summary>
[Serializable]
public class StringPairs : List<KeyValuePair<string, string>>
{
/// <summary>添加项。返回错误信息。</summary>
public string Add(string key, string value)
{
if (string.IsNullOrEmpty(key)) return "参数 Name 无效。";
// if (string.IsNullOrEmpty(value)) return "参数 Value 无效。";
var kvp = new KeyValuePair<string, string>(key, value);
Add(kvp);
return null;
}
/// <summary>获取所有 Key。</summary>
public string[] GetAllKeys()
{
var keys = new string[Count];
for (var i = 0; i < Count; i++) keys[i] = this[i].Key;
return keys;
}
/// <summary>获取匹配 Key 的所有 Value,不存在 Key 或 Value 时返回空数组。</summary>
public string[] GetValues(string key, bool ignoreCase = true, bool withEmpty = true)
{
if (string.IsNullOrEmpty(key)) return new string[0];
var lowerArg = TextUtility.ToLower(key);
var values = new List<string>();
foreach (var item in this)
{
if (item.Key == key)
{
if (withEmpty || !string.IsNullOrEmpty(item.Value)) values.Add(item.Value);
continue;
}
if (ignoreCase)
{
var lowerItem = TextUtility.ToLower(item.Key);
if (lowerItem == lowerArg)
{
if (withEmpty || !string.IsNullOrEmpty(item.Value)) values.Add(item.Value);
continue;
}
}
}
return values.ToArray();
}
/// <summary>获取匹配 Key 的 Value。不存在 Key 时返回 NULL 值。</summary>
public string GetValue(string key, bool ignoreCase = true)
{
if (string.IsNullOrEmpty(key)) return null;
// 先精准匹配。
foreach (var item in this)
{
if (string.IsNullOrEmpty(item.Key)) continue;
if (item.Key == key)
{
if (string.IsNullOrEmpty(item.Value)) continue;
return item.Value;
}
}
// 再模糊匹配。
if (ignoreCase)
{
var lowerArg = TextUtility.ToLower(key);
foreach (var item in this)
{
if (string.IsNullOrEmpty(item.Key)) continue;
var lowerKey = TextUtility.ToLower(item.Key);
if (lowerKey == lowerArg)
{
if (string.IsNullOrEmpty(item.Value)) continue;
return item.Value;
}
}
}
return null;
}
/// <summary>对 Key 升序排序。</summary>
public void Sort()
{
SortAsc();
}
/// <summary>对 Key 升序排序。</summary>
public void SortAsc()
{
base.Sort(new Comparison<KeyValuePair<string, string>>((a, b) => a.Key.CompareTo(b.Key)));
}
/// <summary>对 Key 降序排序。</summary>
public void SortDesc()
{
base.Sort(new Comparison<KeyValuePair<string, string>>((b, a) => a.Key.CompareTo(b.Key)));
}
/// <summary>检查拥有指定的 Key。</summary>
public bool HasKey(string key, bool ignoreCase = false)
{
var a = ignoreCase ? key.SafeLower() : key;
if (string.IsNullOrEmpty(a))
{
foreach (var k in GetAllKeys())
{
if (string.IsNullOrEmpty(k)) return true;
}
}
else
{
foreach (var k in GetAllKeys())
{
var b = ignoreCase ? k.SafeLower() : k;
if (a == b) return true;
}
}
return false;
}
}
}