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package io.legado.app.utils |
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import android.annotation.SuppressLint |
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import android.text.TextUtils |
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import android.text.TextUtils.isEmpty |
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import java.text.ParseException |
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import java.text.SimpleDateFormat |
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import java.util.* |
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import java.util.regex.Matcher |
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import java.util.regex.Pattern |
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object StringUtils { |
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private val TAG = "StringUtils" |
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private const val HOUR_OF_DAY = 24 |
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private const val DAY_OF_YESTERDAY = 2 |
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private const val TIME_UNIT = 60 |
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private val ChnMap = chnMap |
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private val chnMap: HashMap<Char, Int> |
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get() { |
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val map = HashMap<Char, Int>() |
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var cnStr = "零一二三四五六七八九十" |
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var c = cnStr.toCharArray() |
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for (i in 0..10) { |
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map[c[i]] = i |
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} |
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cnStr = "〇壹贰叁肆伍陆柒捌玖拾" |
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c = cnStr.toCharArray() |
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for (i in 0..10) { |
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map[c[i]] = i |
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} |
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map['两'] = 2 |
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map['百'] = 100 |
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map['佰'] = 100 |
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map['千'] = 1000 |
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map['仟'] = 1000 |
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map['万'] = 10000 |
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map['亿'] = 100000000 |
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return map |
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} |
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//将时间转换成日期 |
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fun dateConvert(time: Long, pattern: String): String { |
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val date = Date(time) |
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@SuppressLint("SimpleDateFormat") val format = SimpleDateFormat(pattern) |
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return format.format(date) |
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} |
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//将日期转换成昨天、今天、明天 |
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fun dateConvert(source: String, pattern: String): String { |
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@SuppressLint("SimpleDateFormat") val format = SimpleDateFormat(pattern) |
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val calendar = Calendar.getInstance() |
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try { |
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val date = format.parse(source) |
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val curTime = calendar.timeInMillis |
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calendar.time = date |
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//将MISC 转换成 sec |
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val difSec = Math.abs((curTime - date.time) / 1000) |
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val difMin = difSec / 60 |
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val difHour = difMin / 60 |
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val difDate = difHour / 60 |
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val oldHour = calendar.get(Calendar.HOUR) |
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//如果没有时间 |
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if (oldHour == 0) { |
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//比日期:昨天今天和明天 |
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if (difDate == 0L) { |
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return "今天" |
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} else if (difDate < DAY_OF_YESTERDAY) { |
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return "昨天" |
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} else { |
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@SuppressLint("SimpleDateFormat") val convertFormat = SimpleDateFormat("yyyy-MM-dd") |
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return convertFormat.format(date) |
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} |
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} |
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return when { |
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difSec < TIME_UNIT -> difSec.toString() + "秒前" |
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difMin < TIME_UNIT -> difMin.toString() + "分钟前" |
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difHour < HOUR_OF_DAY -> difHour.toString() + "小时前" |
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difDate < DAY_OF_YESTERDAY -> "昨天" |
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else -> { |
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@SuppressLint("SimpleDateFormat") val convertFormat = SimpleDateFormat("yyyy-MM-dd") |
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convertFormat.format(date) |
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} |
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} |
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} catch (e: ParseException) { |
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e.printStackTrace() |
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} |
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return "" |
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} |
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@SuppressLint("DefaultLocale") |
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fun toFirstCapital(str: String): String { |
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return str.substring(0, 1).toUpperCase() + str.substring(1) |
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} |
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/** |
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* 将文本中的半角字符，转换成全角字符 |
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*/ |
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fun halfToFull(input: String): String { |
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val c = input.toCharArray() |
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for (i in c.indices) { |
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if (c[i].toInt() == 32) |
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//半角空格 |
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{ |
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c[i] = 12288.toChar() |
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continue |
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} |
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//根据实际情况，过滤不需要转换的符号 |
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//if (c[i] == 46) //半角点号，不转换 |
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// continue; |
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if (c[i].toInt() in 33..126) |
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//其他符号都转换为全角 |
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c[i] = (c[i].toInt() + 65248).toChar() |
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} |
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return String(c) |
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} |
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//功能：字符串全角转换为半角 |
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fun fullToHalf(input: String): String { |
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val c = input.toCharArray() |
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for (i in c.indices) { |
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if (c[i].toInt() == 12288) |
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//全角空格 |
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{ |
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c[i] = 32.toChar() |
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continue |
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} |
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if (c[i].toInt() in 65281..65374) |
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c[i] = (c[i].toInt() - 65248).toChar() |
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} |
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return String(c) |
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} |
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fun chineseNumToInt(chNum: String): Int { |
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var result = 0 |
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var tmp = 0 |
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var billion = 0 |
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val cn = chNum.toCharArray() |
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// "一零二五" 形式 |
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if (cn.size > 1 && chNum.matches("^[〇零一二三四五六七八九壹贰叁肆伍陆柒捌玖]$".toRegex())) { |
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for (i in cn.indices) { |
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cn[i] = (48 + ChnMap[cn[i]]!!).toChar() |
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} |
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return Integer.parseInt(String(cn)) |
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} |
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// "一千零二十五", "一千二" 形式 |
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try { |
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for (i in cn.indices) { |
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val tmpNum = ChnMap[cn[i]]!! |
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if (tmpNum == 100000000) { |
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result += tmp |
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result *= tmpNum |
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billion = billion * 100000000 + result |
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result = 0 |
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tmp = 0 |
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} else if (tmpNum == 10000) { |
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result += tmp |
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result *= tmpNum |
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tmp = 0 |
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} else if (tmpNum >= 10) { |
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if (tmp == 0) |
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tmp = 1 |
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result += tmpNum * tmp |
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tmp = 0 |
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} else { |
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tmp = if (i >= 2 && i == cn.size - 1 && ChnMap[cn[i - 1]]!! > 10) |
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tmpNum * ChnMap[cn[i - 1]]!! / 10 |
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else |
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tmp * 10 + tmpNum |
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} |
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} |
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result += tmp + billion |
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return result |
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} catch (e: Exception) { |
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return -1 |
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} |
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} |
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fun stringToInt(str: String?): Int { |
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if (str != null) { |
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val num = fullToHalf(str).replace("\\s".toRegex(), "") |
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return try { |
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Integer.parseInt(num) |
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} catch (e: Exception) { |
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chineseNumToInt(num) |
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} |
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} |
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return -1 |
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} |
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fun isContainNumber(company: String): Boolean { |
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val p = Pattern.compile("[0-9]") |
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val m = p.matcher(company) |
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return m.find() |
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} |
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fun isNumeric(str: String): Boolean { |
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val pattern = Pattern.compile("[0-9]*") |
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val isNum = pattern.matcher(str) |
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return isNum.matches() |
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} |
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// 移除字符串首尾空字符的高效方法(利用ASCII值判断,包括全角空格) |
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fun trim(s: String): String { |
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if (isEmpty(s)) return "" |
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var start = 0 |
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val len = s.length |
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var end = len - 1 |
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while (start < end && (s[start].toInt() <= 0x20 || s[start] == ' ')) { |
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++start |
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} |
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while (start < end && (s[end].toInt() <= 0x20 || s[end] == ' ')) { |
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--end |
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} |
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if (end < len) ++end |
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return if (start > 0 || end < len) s.substring(start, end) else s |
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} |
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fun repeat(str: String, n: Int): String { |
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val stringBuilder = StringBuilder() |
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for (i in 0 until n) { |
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stringBuilder.append(str) |
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} |
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return stringBuilder.toString() |
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} |
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fun removeUTFCharacters(data: String?): String? { |
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if (data == null) return null |
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val p = Pattern.compile("\\\\u(\\p{XDigit}{4})") |
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val m = p.matcher(data) |
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val buf = StringBuffer(data.length) |
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while (m.find()) { |
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val ch = Integer.parseInt(m.group(1), 16).toChar().toString() |
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m.appendReplacement(buf, Matcher.quoteReplacement(ch)) |
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} |
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m.appendTail(buf) |
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return buf.toString() |
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} |
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fun formatHtml(html: String): String { |
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return if (TextUtils.isEmpty(html)) "" else html.replace("(?i)<(br[\\s/]*|/*p.*?|/*div.*?)>".toRegex(), "\n")// 替换特定标签为换行符 |
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.replace("<[script>]*.*?>| ".toRegex(), "")// 删除script标签对和空格转义符 |
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.replace("\\s*\\n+\\s*".toRegex(), "\n ")// 移除空行,并增加段前缩进2个汉字 |
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.replace("^[\\n\\s]+".toRegex(), " ")//移除开头空行,并增加段前缩进2个汉字 |
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.replace("[\\n\\s]+$".toRegex(), "") //移除尾部空行 |
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} |
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} |
kunfei
5 years ago