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< > BotCompany Repo | #1001506 // Singular & plural

JavaX source code [tags: use-pretranspiled] - run with: x30.jar

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!747
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m {
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  !include #1001196 // Lisp
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  static new L<Lisp> rules;
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  static new L<S> statements;
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  p {
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    rules.add(equ("$1 is the singular of $2.", "$2 is the plural of $1."));
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    statements.add("house is the singular of houses.");
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    process();
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    print(fromLines(statements));
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  }
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  static void process() {
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    for (Lisp rule : rules) {
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      if (!rule.is("equ")) continue;
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      S l = rule.getString(0), r = rule.getString(1);
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      for (Map<S, S> m : matchStatements(l)) {
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        addStatement(convert(r, m));
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      }
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    }
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  }
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  static L<Map<S, S>> matchStatements(S pat) {
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    L<Map<S, S>> l = new ArrayList<Map<S, S>>();
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    for (S s : statements) {
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      Map<S, S> m = match4(pat, s);
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      if (m != null) l.add(m);
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    }
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    ret l;
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  }
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  static Map<S, S> match4(S pat, S s) {
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    L<S> tok1 = parse3(pat), tok2 = parse3(s);
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    if (tok1.size() != tok2.size()) ret null;
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    new Map<S, S> m;
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    for (int i = 1; i < tok1.size(); i += 2) {
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      S t1 = tok1.get(i), t2 = tok2.get(i);
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      if (isVar(t1))
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        m.put(t1, t2);
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      else if (!t1.equalsIgnoreCase(t2))
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        ret null;
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    }
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    ret m;
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  }
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  static boolean isVar(S s) {
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    ret s.startsWith("$") && s.length() > 1;
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  }
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  static S convert(S r, Map<S, S> matches) {
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    L<S> tok = javaTokPlusPeriod(r);
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    for (int i = 1; i < tok.size(); i += 2) {
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      if (tok.get(i).startsWith("$")) {
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        S m = matches.get(tok.get(i));
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        if (m != null)
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          tok.set(i, m);
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      }
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    }
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    ret join(tok);
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  }
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  static void addStatement(S s) {
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    for (S st : statements)
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      if (match3(st, s))
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        ret;
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    statements.add(s);
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  }
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  static Lisp equ(O... args) { ret lisp("equ", args); }
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  !include #2000515 // unquote
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  !include #1001497 // parseBoolean
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  !include #1000709 // formatSnippetID
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}

Author comment

Began life as a copy of #1001505

download  show line numbers  debug dex  old transpilations   

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Snippet ID: #1001506
Snippet name: Singular & plural
Eternal ID of this version: #1001506/1
Text MD5: ff6b64aee0a5f78c6364042b3ff78118
Transpilation MD5: 185920f4d7635ccdec16faa41c2e1db3
Author: stefan
Category:
Type: JavaX source code
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2015-10-21 15:46:34
Source code size: 1885 bytes / 77 lines
Pitched / IR pitched: No / Yes
Views / Downloads: 553 / 561
Referenced in: [show references]