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Fixes #33: Provide custom delimiters to the compiler

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hierynomus
2013-03-26 12:51:50 +01:00
parent ffce9032cc
commit 80217949e3
3 changed files with 83 additions and 12 deletions
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src/main/java/com/samskivert/mustache/Mustache.java
+39 -12
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@@ -60,6 +60,9 @@ public class Mustache
/** The collector used by templates compiled with this compiler. */
public final Collector collector;
/** The Delimiters used by default int he templates compiled with this compiler. */
public final Delims delims;
/** Compiles the supplied template into a repeatedly executable intermediate form. */
public Template compile (String template) {
return compile(new StringReader(template));
@@ -73,7 +76,7 @@ public class Mustache
/** Returns a compiler that either does or does not escape HTML by default. */
public Compiler escapeHTML (boolean escapeHTML) {
return new Compiler(escapeHTML, this.standardsMode, this.nullValue, this.missingIsNull,
this.emptyStringIsFalse, this.loader, this.collector);
this.emptyStringIsFalse, this.loader, this.collector, this.delims);
}
/** Returns a compiler that either does or does not use standards mode. Standards mode
@@ -81,7 +84,7 @@ public class Mustache
* context. */
public Compiler standardsMode (boolean standardsMode) {
return new Compiler(this.escapeHTML, standardsMode, this.nullValue, this.missingIsNull,
this.emptyStringIsFalse, this.loader, this.collector);
this.emptyStringIsFalse, this.loader, this.collector, this.delims);
}
/** Returns a compiler that will use the given value for any variable that is missing, or
@@ -89,7 +92,7 @@ public class Mustache
* supplied default for missing keys and existing keys that return null values. */
public Compiler defaultValue (String defaultValue) {
return new Compiler(this.escapeHTML, this.standardsMode, defaultValue, true,
this.emptyStringIsFalse, this.loader, this.collector);
this.emptyStringIsFalse, this.loader, this.collector, this.delims);
}
/** Returns a compiler that will use the given value for any variable that resolves to
@@ -105,25 +108,31 @@ public class Mustache
* </ul> */
public Compiler nullValue (String nullValue) {
return new Compiler(this.escapeHTML, this.standardsMode, nullValue, false,
this.emptyStringIsFalse, this.loader, this.collector);
this.emptyStringIsFalse, this.loader, this.collector, this.delims);
}
/** Returns a compiler that will treat empty string as a false value if parameter is true. */
public Compiler emptyStringIsFalse (boolean emptyStringIsFalse) {
return new Compiler(this.escapeHTML, this.standardsMode, this.nullValue,
this.missingIsNull, emptyStringIsFalse, this.loader, this.collector);
this.missingIsNull, emptyStringIsFalse, this.loader, this.collector, this.delims);
}
/** Returns a compiler configured to use the supplied template loader to handle partials. */
public Compiler withLoader (TemplateLoader loader) {
return new Compiler(this.escapeHTML, this.standardsMode, this.nullValue,
this.missingIsNull, this.emptyStringIsFalse, loader, this.collector);
this.missingIsNull, this.emptyStringIsFalse, loader, this.collector, this.delims);
}
/** Returns a compiler configured to use the supplied collector. */
public Compiler withCollector (Collector collector) {
return new Compiler(this.escapeHTML, this.standardsMode, this.nullValue,
this.missingIsNull, this.emptyStringIsFalse, this.loader, collector);
this.missingIsNull, this.emptyStringIsFalse, this.loader, collector, this.delims);
}
/** Returns a compiler configured to use the supplied delims as default delimiters. */
public Compiler withDelims (Delims delims) {
return new Compiler(this.escapeHTML, this.standardsMode, this.nullValue,
this.missingIsNull, this.emptyStringIsFalse, this.loader, this.collector, delims);
}
/** Returns the value to use in the template for the null-valued property {@code name}. See
@@ -134,7 +143,7 @@ public class Mustache
protected Compiler (boolean escapeHTML, boolean standardsMode, String nullValue,
boolean missingIsNull, boolean emptyStringIsFalse, TemplateLoader loader,
Collector collector) {
Collector collector, Delims delims) {
this.escapeHTML = escapeHTML;
this.standardsMode = standardsMode;
this.nullValue = nullValue;
@@ -142,6 +151,7 @@ public class Mustache
this.emptyStringIsFalse = emptyStringIsFalse;
this.loader = loader;
this.collector = collector;
this.delims = delims;
}
}
@@ -159,7 +169,7 @@ public class Mustache
/** Executes this lambda on the supplied template fragment. The lambda should write its
* results to {@code out}.
*
* @param tmpl the fragment of the template that was passed to the lambda.
* @param frag the fragment of the template that was passed to the lambda.
* @param out the writer to which the lambda should write its output.
*/
void execute (Template.Fragment frag, Writer out) throws IOException;
@@ -195,7 +205,7 @@ public class Mustache
*/
public static Compiler compiler ()
{
return new Compiler(true, false, null, true, false, FAILING_LOADER, new DefaultCollector());
return new Compiler(true, false, null, true, false, FAILING_LOADER, new DefaultCollector(), new Delims());
}
/**
@@ -238,7 +248,7 @@ public class Mustache
// a hand-rolled parser; whee!
protected static class Parser {
final Delims delims = new Delims();
final Delims delims;
final StringBuilder text = new StringBuilder();
Reader source;
@@ -251,6 +261,7 @@ public class Mustache
public Parser (Compiler compiler) {
this.accum = new Accumulator(compiler);
this.delims = compiler.delims;
}
public Accumulator parse (Reader source) {
@@ -396,12 +407,28 @@ public class Mustache
protected static class Delims {
public char start1 = '{';
private final char defaultStart1;
public char start2 = '{';
private final char defaultStart2;
public char end1 = '}';
private final char defaultEnd1;
public char end2 = '}';
private final char defaultEnd2;
public Delims () {
this("{{ }}");
}
public Delims (String s) {
updateDelims(s);
defaultStart1 = start1;
defaultStart2 = start2;
defaultEnd1 = end1;
defaultEnd2 = end2;
}
public boolean isDefault () {
return start1 == '{' && start2 == '{' && end1 == '}' && end2 == '}';
return start1 == defaultStart1 && start2 == defaultStart2 && end1 == defaultEnd1 && end2 == defaultEnd2;
}
public void updateDelims (String dtext) {