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ContentExtractor

Struct ContentExtractor 

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pub struct ContentExtractor { /* private fields */ }
Expand description

内容抽取器,从已解析的 OFD 页面中抽取文本。

对应 Java: org.ofdrw.reader.ContentExtractor

§用法

use easyofd_reader::ContentExtractor;

let extractor = ContentExtractor::new();
let texts = extractor.get_page_content(pages, 1);

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impl ContentExtractor

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pub fn new() -> Self

创建不带过滤器的内容抽取器。

对应 Java: ContentExtractor(OFDReader)

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pub fn with_filter(filter: Box<ExtractorFilterFn>) -> Self

创建带过滤器的内容抽取器。

对应 Java: ContentExtractor(OFDReader, ExtractorFilter)

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pub fn get_page_content( &self, pages: &[OfdPage], page_num: usize, ) -> Vec<String>

抽取指定页面内的所有文字。

对应 Java: ContentExtractor.getPageContent(int pageNum)

page_num 从 1 开始。

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pub fn extract_all(&self, pages: &[OfdPage]) -> Vec<String>

获取 OFD 内所有页面的文本内容。

对应 Java: ContentExtractor.extractAll()

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pub fn traverse( &self, pages: &[OfdPage], receiver: impl FnMut(usize, &[String]), )

遍历所有页面,对每页文本调用回调。

对应 Java: ContentExtractor.traverse(Receiver)

Trait Implementations§

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impl Default for ContentExtractor

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fn default() -> ContentExtractor

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.