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XFA - Don't fail xfa loading because of a JS subexpression in SOM expressions

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- Fix for one pdf in bug 1717668 (PDFIUM-292-0.pdf).
This commit is contained in:
Calixte Denizet 2021-07-07 10:32:53 +02:00
parent a0aff125dd
commit 0486d24e36
5 changed files with 40 additions and 6 deletions
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8
src/core/xfa/template.js
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@ -172,6 +172,9 @@ function handleBreak(node) {
let target = null;
if (node.target) {
target = root[$searchNode](node.target, node[$getParent]());
if (!target) {
return false;
}
target = target ? target[0] : target;
}
@ -197,12 +200,12 @@ function handleBreak(node) {
target = null;
}
const pageArea = target[$getParent]();
const contentAreas = pageArea.contentArea.children;
const pageArea = target && target[$getParent]();
let index;
if (node.startNew) {
if (target) {
const contentAreas = pageArea.contentArea.children;
index = contentAreas.findIndex(e => e === target) - 1;
} else {
index = currentPageArea.contentArea.children.findIndex(
@ -210,6 +213,7 @@ function handleBreak(node) {
);
}
} else if (target && target !== currentContentArea) {
const contentAreas = pageArea.contentArea.children;
index = contentAreas.findIndex(e => e === target) - 1;
} else {
return false;