b4tman/chgk_txt2json
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check questions before push

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This commit is contained in:
Dmitry Belyaev 2019-07-30 21:15:20 +03:00
parent 69f355c470
commit fc1dcc199e
Signed by: b4tman
GPG Key ID: 41A00BF15EA7E5F3
1 changed files with 19 additions and 2 deletions
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21
src/main.rs
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@ -55,6 +55,23 @@ struct Context {
last_tag: String,
}
// check questions before push
trait PushIfValid {
fn is_valid(&self) -> bool;
fn push_if_valid(&mut self, value: json::JsonValue);
}
impl PushIfValid for json::JsonValue {
fn is_valid(&self) -> bool {
self.has_key("Вопрос") && self.has_key("Ответ")
}
fn push_if_valid(&mut self, value: json::JsonValue) {
if value.is_valid() {
self.push(value).unwrap_or(())
}
}
}
impl Context {
fn new() -> Context {
Context {
@ -157,7 +174,7 @@ fn parse_file(file: impl io::Read) -> Result<json::JsonValue, Box<std::error::Er
ctx.cur_scope = DataScope::QuestionContent;
// store prev question before reading new
if ctx.have_new_question {
ctx.questions.push(ctx.cur_question.clone()).unwrap();
ctx.questions.push_if_valid(ctx.cur_question.clone());
}
// prepare to read new question data with cur_question_pre values
ctx.cur_question = ctx.cur_question_pre.clone();
@ -191,7 +208,7 @@ fn parse_file(file: impl io::Read) -> Result<json::JsonValue, Box<std::error::Er
// finish reading last question
if ctx.have_new_question && !ctx.cur_content.is_empty() {
ctx.cur_question[&ctx.cur_tag] = ctx.cur_content.join("\n").into();
ctx.questions.push(ctx.cur_question.clone()).unwrap();
ctx.questions.push_if_valid(ctx.cur_question.clone());
ctx.have_new_question = false;
}