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Using variables set in the context to resolve values for call-template. #83

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merged 1 commit into from
Jan 28, 2024
Merged

Using variables set in the context to resolve values for call-template. #83

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52 changes: 27 additions & 25 deletions src/xslt/xslt.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -291,13 +291,13 @@
this.xsltWithParam(paramContext, template);

for (let i = 0; i < top.childNodes.length; ++i) {
let c = top.childNodes[i];
let childNode = top.childNodes[i];
if (
c.nodeType == DOM_ELEMENT_NODE &&
this.isXsltElement(c, 'template') &&
domGetAttributeValue(c, 'name') == name
childNode.nodeType === DOM_ELEMENT_NODE &&
this.isXsltElement(childNode, 'template') &&
domGetAttributeValue(childNode, 'name') == name
) {
this.xsltChildNodes(paramContext, c, output);
this.xsltChildNodes(paramContext, childNode, output);
break;
}
}
Expand Down Expand Up @@ -478,26 +478,26 @@
}

/**
* Implements xsl:choose and its child nodes xsl:when and
* xsl:otherwise.
* @param input The Expression Context.
* Implements `xsl:choose`, its child nodes `xsl:when`, and
* `xsl:otherwise`.
* @param context The Expression Context.
* @param template The template.
* @param output The output.
*/
protected xsltChoose(input: ExprContext, template: any, output: any) {
protected xsltChoose(context: ExprContext, template: XNode, output: any) {
for (const childNode of template.childNodes) {
if (childNode.nodeType !== DOM_ELEMENT_NODE) {
continue;
}

if (this.isXsltElement(childNode, 'when')) {
const test = xmlGetAttribute(childNode, 'test');
if (this.xPath.xPathEval(test, input).booleanValue()) {
this.xsltChildNodes(input, childNode, output);
if (this.xPath.xPathEval(test, context).booleanValue()) {
this.xsltChildNodes(context, childNode, output);
break;
}
} else if (this.isXsltElement(childNode, 'otherwise')) {
this.xsltChildNodes(input, childNode, output);
this.xsltChildNodes(context, childNode, output);

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}

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}
Expand Down Expand Up @@ -662,25 +662,27 @@
* Evaluates a variable or parameter and set it in the current input
* context. Implements `xsl:variable`, `xsl:param`, and `xsl:with-param`.
*
* @param input TODO
* @param template TODO
* @param context The expression context.
* @param template The template node.
* @param override flag that defines if the value computed here
* overrides the one already in the input context if that is the
* case. I.e. decides if this is a default value or a local
* value. `xsl:variable` and `xsl:with-param` override; `xsl:param` doesn't.
*/
protected xsltVariable(input: ExprContext, template: any, override: boolean) {
protected xsltVariable(context: ExprContext, template: XNode, override: boolean) {
const name = xmlGetAttribute(template, 'name');
const select = xmlGetAttribute(template, 'select');

let value: any;

if (template.childNodes.length > 0) {
const root = domCreateDocumentFragment(template.ownerDocument);
this.xsltChildNodes(input, template, root);
this.xsltChildNodes(context, template, root);
value = new NodeSetValue([root]);
} else if (select) {
value = this.xPath.xPathEval(select, input);
value = this.xPath.xPathEval(select, context);
} else if (name in context.variables) {
value = context.variables[name];
} else {
let parameterValue = '';
const filteredParameter = this.options.parameters.filter((p) => p.name === name);
Expand All @@ -690,8 +692,8 @@
value = new StringValue(parameterValue);
}

if (override || !input.getVariable(name)) {
input.setVariable(name, value);
if (override || !context.getVariable(name)) {
context.setVariable(name, value);
}
}

Expand Down Expand Up @@ -892,13 +894,13 @@
* current template node, in the current input context. This happens
* before the operation specified by the current template node is
* executed.
* @param input TODO
* @param template TODO
* @param context The Expression Context.
* @param template The template node.
*/
protected xsltWithParam(input: ExprContext, template: any) {
for (const c of template.childNodes) {
if (c.nodeType === DOM_ELEMENT_NODE && this.isXsltElement(c, 'with-param')) {
this.xsltVariable(input, c, true);
protected xsltWithParam(context: ExprContext, template: XNode) {
for (const childNode of template.childNodes) {
if (childNode.nodeType === DOM_ELEMENT_NODE && this.isXsltElement(childNode, 'with-param')) {
this.xsltVariable(context, childNode, true);
}
}
}
Expand Down
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