{"id":1590,"date":"2018-11-19T10:07:38","date_gmt":"2018-11-19T09:07:38","guid":{"rendered":"https:\/\/solidt.eu\/site\/?p=1590"},"modified":"2023-01-10T16:43:01","modified_gmt":"2023-01-10T15:43:01","slug":"c-mapper","status":"publish","type":"post","link":"https:\/\/solidt.eu\/site\/c-mapper\/","title":{"rendered":"C# Mapper"},"content":{"rendered":"\n<div>\n<textarea id=\"input\" style=\"width:400px;height:700px;display:inline-block;font-family:monospace;\" spellcheck=\"false\"><\/textarea>\n<textarea id=\"output\" style=\"width:600px;height:700px;display:inline-block;font-family:monospace;\" spellcheck=\"false\"><\/textarea>\n<\/div>\n<div><button id=\"btnRun\" type=\"button\">Run<\/button><\/div>\n\n\n\n<p><strong>Code<\/strong><\/p>\n\n\n\n<div style=\"height: 250px; position:relative; margin-bottom: 50px;\" class=\"wp-block-simple-code-block-ace\"><pre class=\"wp-block-simple-code-block-ace\" style=\"position:absolute;top:0;right:0;bottom:0;left:0\" data-mode=\"javascript\" data-theme=\"monokai\" data-fontsize=\"14\" data-lines=\"Infinity\" data-showlines=\"true\" data-copy=\"false\">window.addEventListener(\"DOMContentLoaded\", () => {\n    const publicProps = \/\\bpublic\\b.*?\\s+?([_a-zA-Z0-9&lt;>\\[\\]\\?]+)\\s+([_a-zA-Z0-9]+)[^\\w]*\/gm;\n    \/\/const publicProps = \/\\bpublic\\b.*?\\s+?([_a-zA-Z0-9&lt;>\\[\\]\\?]+)\\s+([_a-zA-Z0-9]+?)\\s*[;{=]\/gm;\n    const fallbackProps = \/\\b([_a-zA-Z0-9&lt;>\\[\\]\\?]+)\\s+([_a-zA-Z0-9]+?)\\s*[;{=]\/gm;\n    const reClass = \/\\b(class|interface|struct)\\s*?([^\\s]+)\/gi;\n    const reSingleLineComment = \/(\\\/\\\/.*)\/g;\n    const reMultiLineComment = \/\\\/\\*(.|[\\r\\n])*?\\*\\\/\/gm;\n    const reEmptyOrBlankLines = \/\\n+\\s*\\n\/gm;\n\n    let className = \"Unknown\";\n    let targetClass = \"\";\n    const tab = \"\\t\";\n    const line = \"\\r\\n\";\n    const getMatches = (re, str) => {\n        let match, matches = [];\n        while (match = re.exec(str)) {\n            matches.push(match);\n        }\n        return matches;\n    };\n    const filterProps = (prop) => {\n        const reserved = [\"void\", \"return\", \"class\", \"struct\", \"enum\", \"using\", \"var\"];\n        return reserved.indexOf(prop.type) === -1;\n    };\n\tconst convertGetSet = (prop) => {\n        const p = prop.name;\n        return `public ${prop.type} ${p} { get; set; }`;\n    };\n    const convertInitializer = (prop, prefix) => {\n        const p = prop.name;\n        let c = prop.last ? \"\" : \",\";\n        return `${p} = ${prefix}${p}${c}`; \/\/ ${prop.type}\n    };\n    const convertAssignment = (prop, prefix, prefix2) => {\n        const p = prop.name;\n        return `${prefix}${p} = ${prefix2}${p};`; \/\/ ${prop.type}\n    };\n    const mapTabs = (arr, tabCount) => {\n        const tabs = tab.repeat(tabCount);\n        return Array.from(arr).map(a => tabs + a);\n    }\n    const mapProps = (match, i, arr) => {\n        return { type: match[1], name: match[2], last: arr.length - 1 === i };\n    };\n    const convertAll = (str) => {\n        str = String(str).replace(reSingleLineComment, \"\");\n        str = String(str).replace(reMultiLineComment, \"\");\n        str = String(str).replace(reEmptyOrBlankLines, \"\\n\");\n        console.log(str);\n\n        let props = getMatches(publicProps, str).map(mapProps).filter(filterProps);\n        if (props.length &lt; 1) {\n            props = getMatches(fallbackProps, str).map(mapProps).filter(filterProps);\n        }\n        console.table(props);\n        console.log(JSON.stringify(props.reduce((x, p) => { x[p.name] = p.type; return x; }, {}), null, 4));\n\n\t\tconst props1 = mapTabs(props.map(p => convertGetSet(p)), 1);\n        const props2 = mapTabs(props.map(p => convertAssignment(p, \"dest.\", \"src.\")), 1);\n        const props3 = mapTabs(props.map(p => convertInitializer(p, \"src.\")), 2);\n        const props4 = mapTabs(props.map(p => convertAssignment(p, \"\", \"src.\")), 1);\n        const mapFrom = mapTabs([\n            `public static ${targetClass} FromDomain(${className} src, ${targetClass} dest = null) => FromDomainExt(src, dest);`,\n            `public static T FromDomainExt&lt;T>(${className} src, T dest = null) where T: ${targetClass}, new()`,\n            `{`,\n            tab + `if (src == null) return null;`,\n\t\t\ttab + `if (dest == null) dest = new T();`,\n            ...props2,\n            tab + `return dest;`,\n            `}`\n        ], 1);\n        const mapTo = mapTabs([\n            `public static ${className} ToDomain(${targetClass} src, ${className} dest = null) => ToDomainExt(src, dest);`,\n            `public static T ToDomainExt&lt;T>(${targetClass} src, T dest = null) where T: ${className}, new()`,\n            `{`,\n            tab + `if (src == null) return null;`,\n\t\t\ttab + `if (dest == null) dest = new T();`,\n            ...props2,\n            tab + `return dest;`,\n            `}`\n        ], 1);\n        \/\/ const mapCopyFrom = mapTabs([\n        \/\/     `public void CopyFrom(${className} src)`,\n        \/\/     `{`,\n        \/\/     ...props4,\n        \/\/     `}`\n        \/\/ ], 1);\n        \/\/ const mapCopyTo = mapTabs([\n        \/\/     `public static ${className} CopyTo(this ${className} src, ${targetClass} dest)`,\n        \/\/     `{`,\n        \/\/     ...props2,\n        \/\/     `}`\n        \/\/ ], 1);\n\n        const classMapper = mapTabs([\n            `public class ${targetClass}`,\n            `{`,\n\t\t\t...props1,\n\t\t\t\"\",\n            ...mapFrom,\n            ...mapTo,\n            \/\/ ...mapCopyFrom,\n            \/\/ ...mapCopyTo,\n            `}`\n        ], 0);\n        const mapperClassSrc = classMapper.join(line);\n\n        const toDomainMapper = mapTabs([\n            `public static ${className} ToDomain(this ${targetClass} src)\n            {`,\n            `\\tif (src == null) return null;`,\n            `\\treturn new ${className}() {`,\n            ...props3,\n            `\\t};`,\n            `}`\n            ], 1);\n        const fromDomainMapper = mapTabs([\n                `public static ${targetClass} FromDomain(this ${className} src)\n                {`,\n                `\\tif (src == null) return null;`,\n                `\\treturn new ${targetClass}() {`,\n                ...props3,\n                `\\t};`,\n                `}`\n                ], 1);\n\n        const extensionMapperSrc = mapTabs([\n            `public static class ${targetClass}Extensions`,\n            `{`,\n\t\t\t...toDomainMapper,\n\t\t\t\"\",\n            ...fromDomainMapper,\n            `}`\n        ], 0).join(line);\n\n        const entityConfigure = mapTabs([\n            `public void Configure(EntityTypeBuilder&lt;${targetClass}> entityTypeBuilder)`,\n            `{`,\n                `\\tentityTypeBuilder.ToTable(\"${className}\");`,\n                `\\tentityTypeBuilder.HasKey(x => x.${props[0].name});`,\n                ...props.map(p => `\\tentityTypeBuilder.Property(x => x.${p.name});`),\n            `}`\n            ], 1);\n\n        const entityMapperSrc = mapTabs([\n            `public class ${targetClass}Map : IEntityTypeConfiguration&lt;${targetClass}>`,\n            `{`,\n            ...entityConfigure,\n            `}`\n        ], 0).join(line);\n\n        return [mapperClassSrc, extensionMapperSrc, entityMapperSrc].join(\"\\n\");\n    };\n    const run = () => {\n        const input = document.querySelector(\"#input\").value;\n        className = (reClass.exec(input) || [])[2] || null;\n        if (className) {\n            targetClass = `Dm${className}`;\n            const output = convertAll(input);\n            document.querySelector(\"#output\").value = output;\n        }\n    };\n    document.querySelector(\"#btnRun\").addEventListener(\"click\", run);\n});<\/pre><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Run Code<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6,5,4,1],"tags":[],"class_list":["post-1590","post","type-post","status-publish","format-standard","hentry","category-dotnet","category-javascript","category-programming","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/1590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/comments?post=1590"}],"version-history":[{"count":54,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/1590\/revisions"}],"predecessor-version":[{"id":7179,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/1590\/revisions\/7179"}],"wp:attachment":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/media?parent=1590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/categories?post=1590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/tags?post=1590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}