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Fix trimming message before sending

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This commit is contained in:
Eduard Kuzmenko 2021-08-26 16:25:01 +03:00
parent ebdf950858
commit 46901ed65f
1 changed files with 40 additions and 17 deletions
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57
src/lib/richtextprocessor.ts
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@ -244,7 +244,7 @@ namespace RichTextProcessor {
})
} */
export function parseMarkdown(text: string, currentEntities: MessageEntity[], noTrim?: boolean): string {
export function parseMarkdown(raw: string, currentEntities: MessageEntity[], noTrim?: boolean): string {
  /* if(!markdownTestRegExp.test(text)) {
return noTrim ? text : text.trim();
} */
@ -253,14 +253,12 @@ namespace RichTextProcessor {
let pushedEntity = false;
const pushEntity = (entity: MessageEntity) => !findConflictingEntity(currentEntities, entity) ? (entities.push(entity), pushedEntity = true) : pushedEntity = false;
let raw = text;
let match;
let newText: any = [];
let rawOffset = 0;
const newTextParts: string[] = [];
let rawOffset = 0, match;
while(match = raw.match(markdownRegExp)) {
const matchIndex = rawOffset + match.index;
newText.push(raw.substr(0, match.index));
let text = (match[3] || match[8] || match[11] || match[13]);
newTextParts.push(raw.substr(0, match.index));
const text = (match[3] || match[8] || match[11] || match[13]);
rawOffset -= text.length;
//text = text.replace(/^\s+|\s+$/g, '');
rawOffset += text.length;
@ -268,7 +266,7 @@ namespace RichTextProcessor {
let entity: MessageEntity;
pushedEntity = false;
if(text.match(/^`*$/)) {
newText.push(match[0]);
newTextParts.push(match[0]);
} else if(match[3]) { // pre
entity = {
_: 'messageEntityPre',
@ -283,7 +281,7 @@ namespace RichTextProcessor {
rawOffset -= 1;
}
newText.push(match[1] + text + match[5]);
newTextParts.push(match[1] + text + match[5]);
rawOffset -= match[2].length + match[4].length;
}
@ -299,9 +297,9 @@ namespace RichTextProcessor {
if(pushEntity(entity)) {
if(!isSOH) {
newText.push(match[6] + text + match[9]);
newTextParts.push(match[6] + text + match[9]);
} else {
newText.push(text);
newTextParts.push(text);
}
rawOffset -= match[7].length * 2 + (isSOH ? 2 : 0);
@ -315,7 +313,7 @@ namespace RichTextProcessor {
};
if(pushEntity(entity)) {
newText.push(text);
newTextParts.push(text);
rawOffset -= match[0].length - text.length;
}
@ -328,24 +326,24 @@ namespace RichTextProcessor {
};
if(pushEntity(entity)) {
newText.push(text);
newTextParts.push(text);
rawOffset -= match[12].length - text.length;
}
}
if(!pushedEntity) {
newText.push(match[0]);
newTextParts.push(match[0]);
}
raw = raw.substr(match.index + match[0].length);
rawOffset += match.index + match[0].length;
}
newText.push(raw);
newText = newText.join('');
newTextParts.push(raw);
let newText = newTextParts.join('');
if(!newText.replace(/\s+/g, '').length) {
newText = text;
newText = raw;
entities.splice(0, entities.length);
}
@ -356,6 +354,31 @@ namespace RichTextProcessor {
mergeEntities(currentEntities, entities);
combineSameEntities(currentEntities);
let length = newText.length;
if(!noTrim) {
// trim left
newText = newText.replace(/^\s*/, '');
let diff = length - newText.length;
if(diff) {
currentEntities.forEach(entity => {
entity.offset = Math.max(0, entity.offset - diff);
});
}
// trim right
newText = newText.replace(/\s*$/, '');
diff = length - newText.length;
length = newText.length;
if(diff) {
currentEntities.forEach(entity => {
if((entity.offset + entity.length) > length) {
entity.length = length - entity.offset;
}
});
}
}
return newText;
}