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common/src/main/kotlin/taboolib/common/platform/command/CommandLineParser.kt
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| package taboolib.common.platform.command | ||
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| /** | ||
| * TabooLib | ||
| * taboolib.common.platform.command.CommandLineParser | ||
| * | ||
| * @author 坏黑 | ||
| * @since 2023/2/27 09:28 | ||
| */ | ||
| class CommandLineParser(val line: String) { | ||
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| /** 支持转义的字符 */ | ||
| val escapes = arrayOf('\'', '\"', '=', '-', ':', '\\') | ||
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| /** 选项 */ | ||
| val options = mutableMapOf<String, String>() | ||
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| /** 参数 */ | ||
| val args = mutableListOf<String>() | ||
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| /** 当前文本块 */ | ||
| val value = StringBuilder() | ||
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| /** 引用 */ | ||
| var quote = false | ||
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| /** 选项 */ | ||
| var option = false | ||
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| /** 选项名称 */ | ||
| val optionName = StringBuilder() | ||
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| /** | ||
| * 识别一种命令格式：[选项] [参数] | ||
| * 例如：-a -b 1 2 3 | ||
| * 选项：{a=, b=} | ||
| * 参数：[1, 2, 3] | ||
| * | ||
| * 选项可以使用等号赋值，例如：-a=1 -b=2 1 2 3 | ||
| * 此时选项为：{a=1, b=2} | ||
| * 此时参数为：[1, 2, 3] | ||
| * | ||
| * 参数可以使用双引号或单引号包裹，例如：/test -a='N M S L' "1 2 3" | ||
| * 此时选项为：{a=N M S L} | ||
| * 此时参数为：[1 2 3] | ||
| * | ||
| * 引号可以使用反斜杠转义，例如：/test -a='N M S L' \"1 2 3\" | ||
| * 此时选项为：{a=N M S L} | ||
| * 此时参数为：["1, 2, 3"] | ||
| */ | ||
| fun parse(): CommandLineParser { | ||
| var i = 0 | ||
| val len = line.length | ||
| while (i < len) { | ||
| val c = line[i] | ||
| when { | ||
| // 转义字符 | ||
| c == '\\' && i + 1 < line.length && escapes.contains(line[i + 1]) -> { | ||
| value += line[i + 1] | ||
| i += 2 | ||
| } | ||
| // 引号 | ||
| c == '\'' || c == '\"' -> { | ||
| // 引号结束 | ||
| if (quote) { | ||
| close() | ||
| } | ||
| quote = !quote | ||
| i++ | ||
| } | ||
| // 空格 | ||
| c == ' ' && !quote -> { | ||
| close() | ||
| i++ | ||
| } | ||
| // 选项 | ||
| c == '-' && !quote -> { | ||
| option = true | ||
| i++ | ||
| } | ||
| // 选项名称 | ||
| option && c == '=' || c == ':' -> { | ||
| optionName += value | ||
| value.clear() | ||
| i++ | ||
| } | ||
| // 其他文本 | ||
| else -> { | ||
| value += c | ||
| i++ | ||
| } | ||
| } | ||
| } | ||
| close() | ||
| return this | ||
| } | ||
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| /** 结束 */ | ||
| fun close() { | ||
| // 先关闭选项，否则会导致选项名称丢失 | ||
| closeOption() | ||
| // 再关闭参数 | ||
| closeValue() | ||
| } | ||
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| /** 结束参数 */ | ||
| fun closeValue() { | ||
| if (value.isNotEmpty()) { | ||
| args += value.toString() | ||
| value.clear() | ||
| } | ||
| } | ||
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| /** 结束选项 */ | ||
| fun closeOption() { | ||
| if (option) { | ||
| if (optionName.isNotEmpty()) { | ||
| options[optionName.toString()] = value.toString() | ||
| } else { | ||
| options[value.toString()] = "" | ||
| } | ||
| optionName.clear() | ||
| value.clear() | ||
| option = false | ||
| } | ||
| } | ||
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| operator fun StringBuilder.plusAssign(c: Char) { | ||
| this.append(c) | ||
| } | ||
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| operator fun StringBuilder.plusAssign(s: String) { | ||
| this.append(s) | ||
| } | ||
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| operator fun StringBuilder.plusAssign(s: StringBuilder) { | ||
| this.append(s) | ||
| } | ||
| } |
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