feat: style reader (#36)

docx-core/src/documents/elements/style.rs

@@ -1,6 +1,7 @@
 use serde::Serialize;
 
 use crate::documents::BuildXML;
+use crate::types::*;
 use crate::xml_builder::*;
 use crate::StyleType;
 
@@ -32,31 +33,35 @@ impl Default for Style {
 }
 
 impl Style {
-    pub fn new(
-        style_id: impl Into<String>,
-        name: impl Into<String>,
-        style_type: StyleType,
-    ) -> Self {
-        let name = Name::new(name.into());
+    pub fn new(style_id: impl Into<String>, style_type: StyleType) -> Self {
         let default = Default::default();
         Style {
             style_id: style_id.into(),
             style_type,
-            name,
             ..default
         }
     }
 
+    pub fn name(mut self, name: impl Into<String>) -> Self {
+        self.name = Name::new(name);
+        self
+    }
+
     pub fn size(mut self, size: usize) -> Self {
         self.run_property = self.run_property.size(size);
         self
     }
 
-    pub fn color(mut self, color: &str) -> Self {
+    pub fn color(mut self, color: impl Into<String>) -> Self {
         self.run_property = self.run_property.color(color);
         self
     }
 
+    pub fn highlight(mut self, color: impl Into<String>) -> Self {
+        self.run_property = self.run_property.highlight(color);
+        self
+    }
+
     pub fn bold(mut self) -> Self {
         self.run_property = self.run_property.bold();
         self
@@ -66,6 +71,31 @@ impl Style {
         self.run_property = self.run_property.italic();
         self
     }
+
+    pub fn underline(mut self, line_type: impl Into<String>) -> Self {
+        self.run_property = self.run_property.underline(line_type);
+        self
+    }
+
+    pub fn vanish(mut self) -> Self {
+        self.run_property = self.run_property.vanish();
+        self
+    }
+
+    pub fn align(mut self, alignment_type: AlignmentType) -> Self {
+        self.paragraph_property = self.paragraph_property.align(alignment_type);
+        self
+    }
+
+    pub fn indent(
+        mut self,
+        left: usize,
+        special_indent: Option<SpecialIndentType>,
+        end: Option<usize>,
+    ) -> Self {
+        self.paragraph_property = self.paragraph_property.indent(left, special_indent, end);
+        self
+    }
 }
 
 impl BuildXML for Style {
@@ -94,7 +124,7 @@ mod tests {
 
     #[test]
     fn test_build() {
-        let c = Style::new("Heading", "Heading1", StyleType::Paragraph);
+        let c = Style::new("Heading", StyleType::Paragraph).name("Heading1");
         let b = c.build();
         assert_eq!(
             str::from_utf8(&b).unwrap(),

docx-core/src/documents/styles.rs

@@ -35,7 +35,7 @@ impl Default for Styles {
 impl BuildXML for Styles {
     fn build(&self) -> Vec<u8> {
         let b = XMLBuilder::new();
-        let normal = Style::new("Normal", "Normal", StyleType::Paragraph);
+        let normal = Style::new("Normal", StyleType::Paragraph).name("Normal");
         b.open_styles()
             .add_child(&self.doc_defaults)
             .add_child(&normal)
@@ -56,7 +56,8 @@ mod tests {
 
     #[test]
     fn test_style() {
-        let c = Styles::new().add_style(Style::new("Title", "TitleName", StyleType::Paragraph));
+        let c =
+            Styles::new().add_style(Style::new("Title", StyleType::Paragraph).name("TitleName"));
         let b = c.build();
         assert_eq!(
             str::from_utf8(&b).unwrap(),

docx-core/src/reader/attributes/indent.rs

@@ -0,0 +1,30 @@
+use std::str::FromStr;
+
+use xml::attribute::OwnedAttribute;
+
+use crate::types::*;
+
+use super::super::errors::*;
+
+pub fn read_indent(
+    attrs: &[OwnedAttribute],
+) -> Result<(usize, Option<usize>, Option<SpecialIndentType>), ReaderError> {
+    let mut start = 0;
+    let mut end: Option<usize> = None;
+    let mut special: Option<SpecialIndentType> = None;
+
+    for a in attrs {
+        let local_name = &a.name.local_name;
+        if local_name == "left" || local_name == "start" {
+            start = usize::from_str(&a.value)?;
+        } else if local_name == "end" || local_name == "right" {
+            end = Some(usize::from_str(&a.value)?);
+        } else if local_name == "hanging" {
+            special = Some(SpecialIndentType::Hanging(usize::from_str(&a.value)?))
+        } else if local_name == "firstLine" {
+            special = Some(SpecialIndentType::FirstLine(usize::from_str(&a.value)?))
+        }
+    }
+
+    Ok((start, end, special))
+}

docx-core/src/reader/attributes/mod.rs

@@ -1,3 +1,5 @@
+mod indent;
 mod width;
 
+pub use indent::*;
 pub use width::*;

docx-core/src/reader/mod.rs

@@ -8,6 +8,8 @@ mod numbering_property;
 mod paragraph;
 mod rels;
 mod run;
+mod style;
+mod styles;
 mod table;
 mod table_cell;
 mod table_row;

docx-core/src/reader/paragraph.rs

@@ -6,6 +6,7 @@ use xml::reader::{EventReader, XmlEvent};
 
 use super::*;
 
+use super::attributes::*;
 use crate::types::*;
 
 impl ElementReader for Paragraph {
@@ -79,25 +80,7 @@ impl ElementReader for Paragraph {
                             continue;
                         }
                         XMLElement::Indent => {
-                            let mut start = 0;
-                            let mut end: Option<usize> = None;
-                            let mut special: Option<SpecialIndentType> = None;
-
-                            for a in attributes {
-                                let local_name = &a.name.local_name;
-                                if local_name == "left" || local_name == "start" {
-                                    start = usize::from_str(&a.value)?;
-                                } else if local_name == "end" || local_name == "right" {
-                                    end = Some(usize::from_str(&a.value)?);
-                                } else if local_name == "hanging" {
-                                    special =
-                                        Some(SpecialIndentType::Hanging(usize::from_str(&a.value)?))
-                                } else if local_name == "firstLine" {
-                                    special = Some(SpecialIndentType::FirstLine(usize::from_str(
-                                        &a.value,
-                                    )?))
-                                }
-                            }
+                            let (start, end, special) = read_indent(&attributes)?;
                             p = p.indent(start, special, end);
                             continue;
                         }

docx-core/src/reader/style.rs

@@ -0,0 +1,77 @@
+use std::io::Read;
+use std::str::FromStr;
+
+use xml::attribute::OwnedAttribute;
+use xml::reader::{EventReader, XmlEvent};
+
+use super::*;
+
+use crate::types::*;
+
+impl ElementReader for Style {
+    fn read<R: Read>(
+        r: &mut EventReader<R>,
+        attrs: &[OwnedAttribute],
+    ) -> Result<Self, ReaderError> {
+        let mut id = "".to_owned();
+        let mut style_type = StyleType::Paragraph;
+        for a in attrs {
+            let local_name = &a.name.local_name;
+            if local_name == "styleId" {
+                id = a.value.clone();
+            } else if local_name == "type" {
+                style_type = StyleType::from_str(&a.value)?;
+            }
+        }
+        let mut style = Style::new(id, style_type);
+        loop {
+            let e = r.next();
+            match e {
+                Ok(XmlEvent::StartElement {
+                    attributes, name, ..
+                }) => {
+                    let e = XMLElement::from_str(&name.local_name).unwrap();
+                    match e {
+                        XMLElement::Name => {
+                            style = style.name(&attributes[0].value.clone());
+                            continue;
+                        }
+                        // pPr
+                        XMLElement::Indent => {
+                            let (start, end, special) = read_indent(&attributes)?;
+                            style = style.indent(start, special, end);
+                            continue;
+                        }
+                        XMLElement::Justification => {
+                            style = style.align(AlignmentType::from_str(&attributes[0].value)?);
+                            continue;
+                        }
+                        // rPr
+                        XMLElement::Bold => style = style.bold(),
+                        XMLElement::Highlight => {
+                            style = style.highlight(attributes[0].value.clone())
+                        }
+                        XMLElement::Color => style = style.color(attributes[0].value.clone()),
+                        XMLElement::Size => {
+                            style = style.size(usize::from_str(&attributes[0].value)?)
+                        }
+                        XMLElement::Underline => {
+                            style = style.underline(&attributes[0].value.clone())
+                        }
+                        XMLElement::Italic => style = style.italic(),
+                        XMLElement::Vanish => style = style.vanish(),
+                        _ => {}
+                    }
+                }
+                Ok(XmlEvent::EndElement { name, .. }) => {
+                    let e = XMLElement::from_str(&name.local_name).unwrap();
+                    if let XMLElement::Style = e {
+                        return Ok(style);
+                    }
+                }
+                Err(_) => return Err(ReaderError::XMLReadError),
+                _ => {}
+            }
+        }
+    }
+}

docx-core/src/reader/styles.rs

@@ -0,0 +1,64 @@
+use std::io::Read;
+use xml::reader::{EventReader, XmlEvent};
+
+use super::*;
+use crate::reader::{FromXML, ReaderError};
+
+use std::str::FromStr;
+
+impl FromXML for Styles {
+    fn from_xml<R: Read>(reader: R) -> Result<Self, ReaderError> {
+        let mut parser = EventReader::new(reader);
+        let mut styles = Self::default();
+        loop {
+            let e = parser.next();
+            match e {
+                Ok(XmlEvent::StartElement {
+                    attributes, name, ..
+                }) => {
+                    let e = XMLElement::from_str(&name.local_name).unwrap();
+                    if let XMLElement::Style = e {
+                        let s = Style::read(&mut parser, &attributes)?;
+                        styles = styles.add_style(s);
+                        continue;
+                    }
+                }
+                Ok(XmlEvent::EndElement { name, .. }) => {
+                    let e = XMLElement::from_str(&name.local_name).unwrap();
+                    if let XMLElement::Styles = e {
+                        break;
+                    }
+                }
+                Err(_) => return Err(ReaderError::XMLReadError),
+                _ => {}
+            }
+        }
+        Ok(styles)
+    }
+}
+
+// #[cfg(test)]
+// mod tests {
+//
+//     use super::*;
+//     #[cfg(test)]
+//     use pretty_assertions::assert_eq;
+//
+//     #[test]
+//     fn test_from_xml() {
+//         let xml = r#"<?xml version="1.0" encoding="UTF-8"?>
+// <Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
+//   <Relationship Id="rId1" Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" Target="docProps/core.xml" />
+// </Relationships>"#;
+//         let c = Rels::from_xml(xml.as_bytes()).unwrap();
+//         let mut rels = Vec::new();
+//         rels.push((
+//             "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties"
+//                 .to_owned(),
+//             "rId1".to_owned(),
+//             "docProps/core.xml".to_owned(),
+//         ));
+//         assert_eq!(Rels { rels }, c);
+//     }
+// }
+//

docx-core/src/reader/xml_element.rs

@@ -27,6 +27,7 @@ pub enum XMLElement {
     Tab,
     ParagraphStyle,
     Indent,
+    Name,
     Alignment,
     NumberingProperty,
     IndentLevel,
@@ -58,6 +59,12 @@ pub enum XMLElement {
     TableCellMargin,
     TableGrid,
     GridCol,
+    Style,
+    BasedOn,
+    Next,
+    VertAlign,
+    Spacing,
+    Styles,
     Unsupported,
 }
 
@@ -82,6 +89,7 @@ impl FromStr for XMLElement {
             "iCs" => Ok(XMLElement::ItalicCs),
             "vanish" => Ok(XMLElement::Vanish),
             "italic" => Ok(XMLElement::Italic),
+            "name" => Ok(XMLElement::Name),
             "tab" => Ok(XMLElement::Tab),
             "br" => Ok(XMLElement::Break),
             "ind" => Ok(XMLElement::Indent),
@@ -115,6 +123,12 @@ impl FromStr for XMLElement {
             "tblCellMar" => Ok(XMLElement::TableCellMargin),
             "tblGrid" => Ok(XMLElement::TableGrid),
             "gridCol" => Ok(XMLElement::GridCol),
+            "style" => Ok(XMLElement::Style),
+            "basedOn" => Ok(XMLElement::BasedOn),
+            "next" => Ok(XMLElement::Next),
+            "vertAlign" => Ok(XMLElement::VertAlign),
+            "spacing" => Ok(XMLElement::Spacing),
+            "styles" => Ok(XMLElement::Styles),
             _ => Ok(XMLElement::Unsupported),
         }
     }

docx-core/src/types/style_type.rs

@@ -1,7 +1,9 @@
 use std::fmt;
 use wasm_bindgen::prelude::*;
 
+use super::errors;
 use serde::Serialize;
+use std::str::FromStr;
 
 #[wasm_bindgen]
 #[derive(Debug, Clone, PartialEq, Serialize, Copy)]
@@ -19,3 +21,14 @@ impl fmt::Display for StyleType {
         }
     }
 }
+
+impl FromStr for StyleType {
+    type Err = errors::TypeError;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "paragraph" => Ok(StyleType::Paragraph),
+            "character" => Ok(StyleType::Character),
+            _ => Err(errors::TypeError::FromStrError),
+        }
+    }
+}

fixtures/table_merged_libre_office/word/styles.xml

@@ -1,2 +1,116 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<w:styles xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="w14"><w:docDefaults><w:rPrDefault><w:rPr><w:rFonts w:ascii="Liberation Serif" w:hAnsi="Liberation Serif" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/><w:kern w:val="2"/><w:sz w:val="24"/><w:szCs w:val="24"/><w:lang w:val="en-US" w:eastAsia="ja-JP" w:bidi="hi-IN"/></w:rPr></w:rPrDefault><w:pPrDefault><w:pPr><w:widowControl/></w:pPr></w:pPrDefault></w:docDefaults><w:style w:type="paragraph" w:styleId="Normal"><w:name w:val="Normal"/><w:qFormat/><w:pPr><w:widowControl/></w:pPr><w:rPr><w:rFonts w:ascii="Liberation Serif" w:hAnsi="Liberation Serif" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/><w:color w:val="auto"/><w:kern w:val="2"/><w:sz w:val="24"/><w:szCs w:val="24"/><w:lang w:val="en-US" w:eastAsia="ja-JP" w:bidi="hi-IN"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style14"><w:name w:val="見出し"/><w:basedOn w:val="Normal"/><w:next w:val="Style15"/><w:qFormat/><w:pPr><w:keepNext w:val="true"/><w:spacing w:before="240" w:after="120"/></w:pPr><w:rPr><w:rFonts w:ascii="Liberation Sans" w:hAnsi="Liberation Sans" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/><w:sz w:val="28"/><w:szCs w:val="28"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style15"><w:name w:val="Body Text"/><w:basedOn w:val="Normal"/><w:pPr><w:spacing w:lineRule="auto" w:line="276" w:before="0" w:after="140"/></w:pPr><w:rPr></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style16"><w:name w:val="List"/><w:basedOn w:val="Style15"/><w:pPr></w:pPr><w:rPr><w:rFonts w:cs="Lohit Devanagari"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style17"><w:name w:val="Caption"/><w:basedOn w:val="Normal"/><w:qFormat/><w:pPr><w:suppressLineNumbers/><w:spacing w:before="120" w:after="120"/></w:pPr><w:rPr><w:rFonts w:cs="Lohit Devanagari"/><w:i/><w:iCs/><w:sz w:val="24"/><w:szCs w:val="24"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style18"><w:name w:val="索引"/><w:basedOn w:val="Normal"/><w:qFormat/><w:pPr><w:suppressLineNumbers/></w:pPr><w:rPr><w:rFonts w:cs="Lohit Devanagari"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style19"><w:name w:val="表の内容"/><w:basedOn w:val="Normal"/><w:qFormat/><w:pPr><w:suppressLineNumbers/></w:pPr><w:rPr></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style20"><w:name w:val="表の見出し"/><w:basedOn w:val="Style19"/><w:qFormat/><w:pPr><w:suppressLineNumbers/><w:jc w:val="center"/></w:pPr><w:rPr><w:b/><w:bCs/></w:rPr></w:style></w:styles>
+<w:styles xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" 
+    xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml" 
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="w14">
+    <w:docDefaults>
+        <w:rPrDefault>
+            <w:rPr>
+                <w:rFonts w:ascii="Liberation Serif" w:hAnsi="Liberation Serif" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/>
+                <w:kern w:val="2"/>
+                <w:sz w:val="24"/>
+                <w:szCs w:val="24"/>
+                <w:lang w:val="en-US" w:eastAsia="ja-JP" w:bidi="hi-IN"/>
+            </w:rPr>
+        </w:rPrDefault>
+        <w:pPrDefault>
+            <w:pPr>
+                <w:widowControl/>
+            </w:pPr>
+        </w:pPrDefault>
+    </w:docDefaults>
+    <w:style w:type="paragraph" w:styleId="Normal">
+        <w:name w:val="Normal"/>
+        <w:qFormat/>
+        <w:pPr>
+            <w:widowControl/>
+        </w:pPr>
+        <w:rPr>
+            <w:rFonts w:ascii="Liberation Serif" w:hAnsi="Liberation Serif" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/>
+            <w:color w:val="auto"/>
+            <w:kern w:val="2"/>
+            <w:sz w:val="24"/>
+            <w:szCs w:val="24"/>
+            <w:lang w:val="en-US" w:eastAsia="ja-JP" w:bidi="hi-IN"/>
+        </w:rPr>
+    </w:style>
+    <w:style w:type="paragraph" w:styleId="Style14">
+        <w:name w:val="見出し"/>
+        <w:basedOn w:val="Normal"/>
+        <w:next w:val="Style15"/>
+        <w:qFormat/>
+        <w:pPr>
+            <w:keepNext w:val="true"/>
+            <w:spacing w:before="240" w:after="120"/>
+        </w:pPr>
+        <w:rPr>
+            <w:rFonts w:ascii="Liberation Sans" w:hAnsi="Liberation Sans" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/>
+            <w:sz w:val="28"/>
+            <w:szCs w:val="28"/>
+        </w:rPr>
+    </w:style>
+    <w:style w:type="paragraph" w:styleId="Style15">
+        <w:name w:val="Body Text"/>
+        <w:basedOn w:val="Normal"/>
+        <w:pPr>
+            <w:spacing w:lineRule="auto" w:line="276" w:before="0" w:after="140"/>
+        </w:pPr>
+        <w:rPr></w:rPr>
+    </w:style>
+    <w:style w:type="paragraph" w:styleId="Style16">
+        <w:name w:val="List"/>
+        <w:basedOn w:val="Style15"/>
+        <w:pPr></w:pPr>
+        <w:rPr>
+            <w:rFonts w:cs="Lohit Devanagari"/>
+        </w:rPr>
+    </w:style>
+    <w:style w:type="paragraph" w:styleId="Style17">
+        <w:name w:val="Caption"/>
+        <w:basedOn w:val="Normal"/>
+        <w:qFormat/>
+        <w:pPr>
+            <w:suppressLineNumbers/>
+            <w:spacing w:before="120" w:after="120"/>
+        </w:pPr>
+        <w:rPr>
+            <w:rFonts w:cs="Lohit Devanagari"/>
+            <w:i/>
+            <w:iCs/>
+            <w:sz w:val="24"/>
+            <w:szCs w:val="24"/>
+        </w:rPr>
+    </w:style>
+    <w:style w:type="paragraph" w:styleId="Style18">
+        <w:name w:val="索引"/>
+        <w:basedOn w:val="Normal"/>
+        <w:qFormat/>
+        <w:pPr>
+            <w:suppressLineNumbers/>
+        </w:pPr>
+        <w:rPr>
+            <w:rFonts w:cs="Lohit Devanagari"/>
+        </w:rPr>
+    </w:style>
+    <w:style w:type="paragraph" w:styleId="Style19">
+        <w:name w:val="表の内容"/>
+        <w:basedOn w:val="Normal"/>
+        <w:qFormat/>
+        <w:pPr>
+            <w:suppressLineNumbers/>
+        </w:pPr>
+        <w:rPr></w:rPr>
+    </w:style>
+    <w:style w:type="paragraph" w:styleId="Style20">
+        <w:name w:val="表の見出し"/>
+        <w:basedOn w:val="Style19"/>
+        <w:qFormat/>
+        <w:pPr>
+            <w:suppressLineNumbers/>
+            <w:jc w:val="center"/>
+        </w:pPr>
+        <w:rPr>
+            <w:b/>
+            <w:bCs/>
+        </w:rPr>
+    </w:style>
+</w:styles>