AfflictionNetworks/jmustache
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Added support for nesting contexts, which allows us to resolve variables in

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parent contexts if they're not available in our current context.
This commit is contained in:
Michael Bayne
2010-10-22 01:06:06 +00:00
parent eb225b0b48
commit 5932123d79
3 changed files with 73 additions and 27 deletions
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src/main/java/com/samskivert/mustache/Mustache.java
+10 -10
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@@ -18,7 +18,7 @@ import java.util.Map;
* <p> Basic usage: <pre>{@code
* String source = "Hello {{arg}}!";
* Template tmpl = Mustache.compiler().compile(source);
* Map<String, Object> context = new HashMap<String, Context>();
* Map<String, Object> context = new HashMap<String, Object>();
* context.put("arg", "world");
* tmpl.execute(context); // returns "Hello world!" }</pre>
* <p> Limitations:
@@ -315,7 +315,7 @@ public class Mustache
public StringSegment (String text) {
_text = text;
}
@Override public void execute (Template tmpl, Object ctx, Writer out) {
@Override public void execute (Template tmpl, Template.Context ctx, Writer out) {
write(out, _text);
}
protected final String _text;
@@ -335,7 +335,7 @@ public class Mustache
super(name);
_escapeHTML = escapeHTML;
}
@Override public void execute (Template tmpl, Object ctx, Writer out) {
@Override public void execute (Template tmpl, Template.Context ctx, Writer out) {
Object value = tmpl.getValue(ctx, _name);
// TODO: configurable behavior on missing values
if (value != null) {
@@ -352,7 +352,7 @@ public class Mustache
super(name);
_segs = segs;
}
protected void executeSegs (Template tmpl, Object ctx, Writer out) {
protected void executeSegs (Template tmpl, Template.Context ctx, Writer out) {
for (Template.Segment seg : _segs) {
seg.execute(tmpl, ctx, out);
}
@@ -365,7 +365,7 @@ public class Mustache
public SectionSegment (String name, Template.Segment[] segs) {
super(name, segs);
}
@Override public void execute (Template tmpl, Object ctx, Writer out) {
@Override public void execute (Template tmpl, Template.Context ctx, Writer out) {
Object value = tmpl.getValue(ctx, _name);
if (value == null) {
return; // TODO: configurable behavior on missing values
@@ -373,7 +373,7 @@ public class Mustache
if (value instanceof Iterable<?>) {
Iterable<?> iable = (Iterable<?>)value;
for (Object elem : iable) {
executeSegs(tmpl, elem, out);
executeSegs(tmpl, ctx.nest(elem), out);
}
} else if (value instanceof Boolean) {
if ((Boolean)value) {
@@ -381,15 +381,15 @@ public class Mustache
}
} else if (value.getClass().isArray()) {
for (int ii = 0, ll = Array.getLength(value); ii < ll; ii++) {
executeSegs(tmpl, Array.get(value, ii), out);
executeSegs(tmpl, ctx.nest(Array.get(value, ii)), out);
}
} else if (value instanceof Iterator<?>) {
Iterator<?> iter = (Iterator<?>)value;
while (iter.hasNext()) {
executeSegs(tmpl, iter.next(), out);
executeSegs(tmpl, ctx.nest(iter.next()), out);
}
} else {
executeSegs(tmpl, value, out);
executeSegs(tmpl, ctx.nest(value), out);
}
}
}
@@ -399,7 +399,7 @@ public class Mustache
public InvertedSectionSegment (String name, Template.Segment[] segs) {
super(name, segs);
}
@Override public void execute (Template tmpl, Object ctx, Writer out) {
@Override public void execute (Template tmpl, Template.Context ctx, Writer out) {
Object value = tmpl.getValue(ctx, _name);
if (value == null) {
executeSegs(tmpl, ctx, out); // TODO: configurable behavior on missing values