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Allow TextURL/TextMention entities consistining only of spaces.

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GitOrigin-RevId: fa17848434a90b70e1a10560b367864973bcbdb8
This commit is contained in:
levlam 2019-01-16 03:30:42 +03:00
parent 1b06a66888
commit 2fb5fbfd4c
1 changed files with 10 additions and 4 deletions
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14
td/telegram/MessageEntity.cpp
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@ -2006,7 +2006,8 @@ Status fix_formatted_text(string &text, vector<MessageEntity> &entities, bool al
fix_entities(entities);
bool in_entity = false;
bool has_non_whitespace_in_entity = false;
bool have_space_in_entity = false;
bool have_non_whitespace_in_entity = false;
size_t current_entity = 0;
int32 skipped_before_current_entity = 0;
size_t left_entities = 0; // will remove entities containing whitespaces only
@ -2036,7 +2037,10 @@ Status fix_formatted_text(string &text, vector<MessageEntity> &entities, bool al
entities[current_entity].length -= utf16_skipped - skipped_before_current_entity;
in_entity = false;
if (has_non_whitespace_in_entity) {
auto entity_type = entities[current_entity].type;
auto have_hidden_data =
entity_type == MessageEntity::Type::TextUrl || entity_type == MessageEntity::Type::MentionName;
if (have_non_whitespace_in_entity || (have_space_in_entity && have_hidden_data)) {
// TODO check entities for validness, for example, that mentions, hashtags, cashtags and URLs are valid
if (current_entity != left_entities) {
entities[left_entities] = std::move(entities[current_entity]);
@ -2052,7 +2056,8 @@ Status fix_formatted_text(string &text, vector<MessageEntity> &entities, bool al
return Status::Error(16, PSLICE() << "Entity begins in a middle of a UTF-16 symbol at byte offset " << pos);
}
in_entity = true;
has_non_whitespace_in_entity = false;
have_space_in_entity = false;
have_non_whitespace_in_entity = false;
skipped_before_current_entity = utf16_skipped;
}
}
@ -2095,6 +2100,7 @@ Status fix_formatted_text(string &text, vector<MessageEntity> &entities, bool al
case 30:
case 31:
case 32:
have_space_in_entity = true;
result.push_back(' ');
utf16_offset++;
break;
@ -2131,7 +2137,7 @@ Status fix_formatted_text(string &text, vector<MessageEntity> &entities, bool al
result.push_back(text[pos]);
if (c != '\n') {
has_non_whitespace_in_entity = true;
have_non_whitespace_in_entity = true;
last_non_whitespace_pos = result.size();
last_non_whitespace_utf16_offset = utf16_offset - utf16_skipped;
}