Task 846: .XSLT File Format
Task 846: .XSLT File Format
1. Properties of the .XSLT File Format Intrinsic to Its File System
The .XSLT file format refers to Extensible Stylesheet Language Transformations (XSLT) stylesheets, which are XML-based documents used for transforming XML data into other formats, such as XML, HTML, or plain text. The format is defined by World Wide Web Consortium (W3C) specifications, primarily XSLT 3.0, with backward compatibility to earlier versions. The intrinsic properties are derived from its XML structure and XSLT-specific requirements, including root elements, namespaces, attributes, and declarations. These are not binary-encoded but text-based, with no magic number or fixed header beyond the XML declaration. Below is a comprehensive list of key properties:
- File Extension: .xslt (case-insensitive, though typically lowercase).
- MIME Type: application/xslt+xml.
- Encoding: Typically UTF-8, specified in the XML declaration (e.g., ).
- XML Version: Specified in the declaration, usually "1.0" or "1.1".
- Root Element: Must be one of xsl:stylesheet, xsl:transform, or xsl:package (in XSLT 3.0 for modular designs).
- Required Namespace: xmlns:xsl="http://www.w3.org/1999/XSL/Transform" (must be declared on the root).
- Version Attribute: Decimal value on the root (e.g., "3.0"), indicating the XSLT version and affecting feature support.
- Default Mode: Specifies the default processing mode for templates (EQName or "#default").
- Default Collation: URI for default string comparison (e.g., Unicode Collation Algorithm).
- Default Validation: Controls schema validation ("strict", "lax", or "strip").
- Default Action: Behavior for unmatched nodes (e.g., "fail" or "ignore").
- Expand Text: Enables/disables expression evaluation in text nodes ("yes" or "no").
- XPath Default Namespace: URI for unqualified XPath expressions.
- Extension Element Prefixes: List of prefixes for non-standard extensions.
- Exclude Result Prefixes: Prefixes omitted from output namespaces.
- Use When: XPath condition for conditional inclusion during preprocessing.
- Input Type Annotations: Controls type annotation handling ("strip" or "preserve").
- ID Attribute: Optional unique identifier for embedded stylesheets.
- Static Attributes: Flags for compile-time evaluation (e.g., "static=yes").
- Visibility Attributes: Controls component exposure in packages ("public", "private", "final", "abstract", "hidden").
- Top-Level Declarations: Presence and attributes of elements such as xsl:template (match, name, mode), xsl:function (name, as), xsl:variable (name, select), xsl:param, xsl:mode, xsl:attribute-set, xsl:key, xsl:accumulator, xsl:import, xsl:include, xsl:use-package, xsl:output (method, encoding), xsl:strip-space, xsl:preserve-space, xsl:namespace-alias, xsl:character-map, xsl:decimal-format, xsl:global-context-item, and xsl:import-schema.
- Package-Specific Properties (XSLT 3.0): Package name, version, declared modes, expose/accept/override elements for modularity.
- Well-Formedness Constraints: Must be valid XML; no top-level text nodes after whitespace stripping; all elements in appropriate namespaces.
These properties ensure the file's compatibility with XSLT processors and define its transformation behavior.
2. Two Direct Download Links for .XSLT Files
- https://raw.githubusercontent.com/essepuntato/rash/master/xslt/from-docx.xsl
- https://raw.githubusercontent.com/jakearchibald/jakearchibald.com/main/root-static/demos/xml-transformation/via-xslt/books.xsl
3. Ghost Blog Embedded HTML JavaScript for Drag-and-Drop .XSLT File Analysis
The following is a self-contained HTML snippet with embedded JavaScript suitable for embedding in a Ghost blog post. It enables drag-and-drop of a .XSLT file, parses it as XML, extracts the properties listed in section 1, and displays them on the screen.
Drag and drop .XSLT file here
4. Python Class for Handling .XSLT Files
The following Python class uses the xml.etree.ElementTree module to open, parse (decode), read, write, and print the properties of a .XSLT file.
import xml.etree.ElementTree as ET
class XsltHandler:
def __init__(self, filepath):
self.filepath = filepath
self.tree = None
self.root = None
self.properties = {}
def read_and_decode(self):
self.tree = ET.parse(self.filepath)
self.root = self.tree.getroot()
ns = {'xsl': 'http://www.w3.org/1999/XSL/Transform'}
self.properties = {
'File Extension': '.xslt',
'MIME Type': 'application/xslt+xml',
'Encoding': self.tree.docinfo.encoding or 'UTF-8',
'XML Version': self.tree.docinfo.xml_version or '1.0',
'Root Element': self.root.tag,
'Required Namespace': self.root.nsmap.get('xsl', 'N/A'),
'Version Attribute': self.root.get('version', 'N/A'),
'Default Mode': self.root.get('default-mode', 'N/A'),
'Default Collation': self.root.get('default-collation', 'N/A'),
'Default Validation': self.root.get('default-validation', 'N/A'),
'Default Action': self.root.get('default-action', 'N/A'),
'Expand Text': self.root.get('expand-text', 'N/A'),
'XPath Default Namespace': self.root.get('xpath-default-namespace', 'N/A'),
'Extension Element Prefixes': self.root.get('extension-element-prefixes', 'N/A'),
'Exclude Result Prefixes': self.root.get('exclude-result-prefixes', 'N/A'),
'Use When': self.root.get('use-when', 'N/A'),
'Input Type Annotations': self.root.get('input-type-annotations', 'N/A'),
'ID Attribute': self.root.get('id', 'N/A'),
'Static Attributes': self.root.get('static', 'N/A'),
'Visibility Attributes': self.root.get('visibility', 'N/A'),
'Namespaces': ', '.join([f"{prefix}: {uri}" for prefix, uri in self.root.nsmap.items()]) or 'N/A',
'Top-Level Declarations': '; '.join([f"{child.tag} (name: {child.get('name', 'N/A')}, match: {child.get('match', 'N/A')})" for child in self.root]) or 'N/A',
'Package-Specific Properties': f"Name: {self.root.get('name', 'N/A')}, Version: {self.root.get('package-version', 'N/A')}"
}
def print_properties(self):
for key, value in self.properties.items():
print(f"{key}: {value}")
def write(self, new_filepath=None):
if not self.tree:
raise ValueError("File not read yet.")
filepath = new_filepath or self.filepath
self.tree.write(filepath, encoding='utf-8', xml_declaration=True)
# Example usage:
# handler = XsltHandler('example.xslt')
# handler.read_and_decode()
# handler.print_properties()
# handler.write('output.xslt')
5. Java Class for Handling .XSLT Files
The following Java class uses javax.xml.parsers to open, parse, read, write, and print the properties of a .XSLT file.
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
public class XsltHandler {
private String filepath;
private Document doc;
private Element root;
private Map<String, String> properties = new HashMap<>();
public XsltHandler(String filepath) {
this.filepath = filepath;
}
public void readAndDecode() throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
doc = builder.parse(new File(filepath));
root = doc.getDocumentElement();
properties.put("File Extension", ".xslt");
properties.put("MIME Type", "application/xslt+xml");
properties.put("Encoding", doc.getXmlEncoding() != null ? doc.getXmlEncoding() : "UTF-8");
properties.put("XML Version", doc.getXmlVersion() != null ? doc.getXmlVersion() : "1.0");
properties.put("Root Element", root.getTagName());
properties.put("Required Namespace", root.getNamespaceURI() != null ? root.getNamespaceURI() : "N/A");
properties.put("Version Attribute", root.getAttribute("version") != null ? root.getAttribute("version") : "N/A");
properties.put("Default Mode", root.getAttribute("default-mode") != null ? root.getAttribute("default-mode") : "N/A");
properties.put("Default Collation", root.getAttribute("default-collation") != null ? root.getAttribute("default-collation") : "N/A");
properties.put("Default Validation", root.getAttribute("default-validation") != null ? root.getAttribute("default-validation") : "N/A");
properties.put("Default Action", root.getAttribute("default-action") != null ? root.getAttribute("default-action") : "N/A");
properties.put("Expand Text", root.getAttribute("expand-text") != null ? root.getAttribute("expand-text") : "N/A");
properties.put("XPath Default Namespace", root.getAttribute("xpath-default-namespace") != null ? root.getAttribute("xpath-default-namespace") : "N/A");
properties.put("Extension Element Prefixes", root.getAttribute("extension-element-prefixes") != null ? root.getAttribute("extension-element-prefixes") : "N/A");
properties.put("Exclude Result Prefixes", root.getAttribute("exclude-result-prefixes") != null ? root.getAttribute("exclude-result-prefixes") : "N/A");
properties.put("Use When", root.getAttribute("use-when") != null ? root.getAttribute("use-when") : "N/A");
properties.put("Input Type Annotations", root.getAttribute("input-type-annotations") != null ? root.getAttribute("input-type-annotations") : "N/A");
properties.put("ID Attribute", root.getAttribute("id") != null ? root.getAttribute("id") : "N/A");
properties.put("Static Attributes", root.getAttribute("static") != null ? root.getAttribute("static") : "N/A");
properties.put("Visibility Attributes", root.getAttribute("visibility") != null ? root.getAttribute("visibility") : "N/A");
StringBuilder nsBuilder = new StringBuilder();
NamedNodeMap attrs = root.getAttributes();
for (int i = 0; i < attrs.getLength(); i++) {
Node attr = attrs.item(i);
if (attr.getNodeName().startsWith("xmlns")) {
if (nsBuilder.length() > 0) nsBuilder.append(", ");
nsBuilder.append(attr.getNodeName()).append(": ").append(attr.getNodeValue());
}
}
properties.put("Namespaces", nsBuilder.length() > 0 ? nsBuilder.toString() : "N/A");
StringBuilder declBuilder = new StringBuilder();
NodeList children = root.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
if (declBuilder.length() > 0) declBuilder.append("; ");
declBuilder.append(child.getNodeName())
.append(" (name: ").append(((Element) child).getAttribute("name") != null ? ((Element) child).getAttribute("name") : "N/A")
.append(", match: ").append(((Element) child).getAttribute("match") != null ? ((Element) child).getAttribute("match") : "N/A").append(")");
}
}
properties.put("Top-Level Declarations", declBuilder.length() > 0 ? declBuilder.toString() : "N/A");
String packageProps = "Name: " + (root.getAttribute("name") != null ? root.getAttribute("name") : "N/A") +
", Version: " + (root.getAttribute("package-version") != null ? root.getAttribute("package-version") : "N/A");
properties.put("Package-Specific Properties", packageProps);
}
public void printProperties() {
for (Map.Entry<String, String> entry : properties.entrySet()) {
System.out.println(entry.getKey() + ": " + entry.getValue());
}
}
public void write(String newFilepath) throws Exception {
if (doc == null) {
throw new IllegalStateException("File not read yet.");
}
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(new File(newFilepath != null ? newFilepath : filepath));
transformer.transform(source, result);
}
// Example usage:
// public static void main(String[] args) throws Exception {
// XsltHandler handler = new XsltHandler("example.xslt");
// handler.readAndDecode();
// handler.printProperties();
// handler.write("output.xslt");
// }
}
6. JavaScript Class for Handling .XSLT Files
The following JavaScript class (Node.js compatible) uses the xmldom and fs modules to open, parse, read, write, and print the properties of a .XSLT file. (Note: Requires xmldom package for DOM parsing.)
const fs = require('fs');
const { DOMParser, XMLSerializer } = require('xmldom');
class XsltHandler {
constructor(filepath) {
this.filepath = filepath;
this.doc = null;
this.root = null;
this.properties = {};
}
readAndDecode() {
const data = fs.readFileSync(this.filepath, 'utf-8');
const parser = new DOMParser();
this.doc = parser.parseFromString(data, 'application/xml');
this.root = this.doc.documentElement;
this.properties = {
'File Extension': '.xslt',
'MIME Type': 'application/xslt+xml',
'Encoding': this.doc.xmlEncoding || 'UTF-8',
'XML Version': this.doc.xmlVersion || '1.0',
'Root Element': this.root.tagName,
'Required Namespace': this.root.namespaceURI || 'N/A',
'Version Attribute': this.root.getAttribute('version') || 'N/A',
'Default Mode': this.root.getAttribute('default-mode') || 'N/A',
'Default Collation': this.root.getAttribute('default-collation') || 'N/A',
'Default Validation': this.root.getAttribute('default-validation') || 'N/A',
'Default Action': this.root.getAttribute('default-action') || 'N/A',
'Expand Text': this.root.getAttribute('expand-text') || 'N/A',
'XPath Default Namespace': this.root.getAttribute('xpath-default-namespace') || 'N/A',
'Extension Element Prefixes': this.root.getAttribute('extension-element-prefixes') || 'N/A',
'Exclude Result Prefixes': this.root.getAttribute('exclude-result-prefixes') || 'N/A',
'Use When': this.root.getAttribute('use-when') || 'N/A',
'Input Type Annotations': this.root.getAttribute('input-type-annotations') || 'N/A',
'ID Attribute': this.root.getAttribute('id') || 'N/A',
'Static Attributes': this.root.getAttribute('static') || 'N/A',
'Visibility Attributes': this.root.getAttribute('visibility') || 'N/A',
};
let nsString = [];
for (let i = 0; i < this.root.attributes.length; i++) {
const attr = this.root.attributes[i];
if (attr.name.startsWith('xmlns')) {
nsString.push(`${attr.name}: ${attr.value}`);
}
}
this.properties['Namespaces'] = nsString.join(', ') || 'N/A';
let declString = [];
for (let i = 0; i < this.root.childNodes.length; i++) {
const child = this.root.childNodes[i];
if (child.nodeType === 1) { // Element node
declString.push(`${child.tagName} (name: ${child.getAttribute('name') || 'N/A'}, match: ${child.getAttribute('match') || 'N/A'})`);
}
}
this.properties['Top-Level Declarations'] = declString.join('; ') || 'N/A';
this.properties['Package-Specific Properties'] = `Name: ${this.root.getAttribute('name') || 'N/A'}, Version: ${this.root.getAttribute('package-version') || 'N/A'}`;
}
printProperties() {
for (const [key, value] of Object.entries(this.properties)) {
console.log(`${key}: ${value}`);
}
}
write(newFilepath = null) {
if (!this.doc) {
throw new Error('File not read yet.');
}
const serializer = new XMLSerializer();
const xmlString = serializer.serializeToString(this.doc);
fs.writeFileSync(newFilepath || this.filepath, xmlString, 'utf-8');
}
}
// Example usage:
// const handler = new XsltHandler('example.xslt');
// handler.readAndDecode();
// handler.printProperties();
// handler.write('output.xslt');
7. C++ Class for Handling .XSLT Files
The following C++ class uses the tinyxml2 library (a lightweight XML parser) to open, parse, read, write, and print the properties of a .XSLT file. (Note: Requires linking with tinyxml2.)
#include <iostream>
#include <fstream>
#include <string>
#include <map>
#include <sstream>
#include "tinyxml2.h" // Assume tinyxml2.h is included
class XsltHandler {
private:
std::string filepath;
tinyxml2::XMLDocument doc;
tinyxml2::XMLElement* root;
std::map<std::string, std::string> properties;
public:
XsltHandler(const std::string& filepath) : filepath(filepath), root(nullptr) {}
void readAndDecode() {
if (doc.LoadFile(filepath.c_str()) != tinyxml2::XML_SUCCESS) {
throw std::runtime_error("Failed to load XML file.");
}
root = doc.FirstChildElement();
if (!root) {
throw std::runtime_error("No root element found.");
}
properties["File Extension"] = ".xslt";
properties["MIME Type"] = "application/xslt+xml";
properties["Encoding"] = doc.Encoding() ? doc.Encoding() : "UTF-8";
properties["XML Version"] = doc.Version() ? doc.Version() : "1.0";
properties["Root Element"] = root->Name() ? root->Name() : "N/A";
properties["Required Namespace"] = root->GetDocument()->RootElement()->Namespace() ? root->GetDocument()->RootElement()->Namespace() : "N/A"; // Simplified; adjust if needed
properties["Version Attribute"] = root->Attribute("version") ? root->Attribute("version") : "N/A";
properties["Default Mode"] = root->Attribute("default-mode") ? root->Attribute("default-mode") : "N/A";
properties["Default Collation"] = root->Attribute("default-collation") ? root->Attribute("default-collation") : "N/A";
properties["Default Validation"] = root->Attribute("default-validation") ? root->Attribute("default-validation") : "N/A";
properties["Default Action"] = root->Attribute("default-action") ? root->Attribute("default-action") : "N/A";
properties["Expand Text"] = root->Attribute("expand-text") ? root->Attribute("expand-text") : "N/A";
properties["XPath Default Namespace"] = root->Attribute("xpath-default-namespace") ? root->Attribute("xpath-default-namespace") : "N/A";
properties["Extension Element Prefixes"] = root->Attribute("extension-element-prefixes") ? root->Attribute("extension-element-prefixes") : "N/A";
properties["Exclude Result Prefixes"] = root->Attribute("exclude-result-prefixes") ? root->Attribute("exclude-result-prefixes") : "N/A";
properties["Use When"] = root->Attribute("use-when") ? root->Attribute("use-when") : "N/A";
properties["Input Type Annotations"] = root->Attribute("input-type-annotations") ? root->Attribute("input-type-annotations") : "N/A";
properties["ID Attribute"] = root->Attribute("id") ? root->Attribute("id") : "N/A";
properties["Static Attributes"] = root->Attribute("static") ? root->Attribute("static") : "N/A";
properties["Visibility Attributes"] = root->Attribute("visibility") ? root->Attribute("visibility") : "N/A";
std::stringstream nsStream;
for (const tinyxml2::XMLAttribute* attr = root->FirstAttribute(); attr; attr = attr->Next()) {
std::string name = attr->Name();
if (name.find("xmlns") == 0) {
if (!nsStream.str().empty()) nsStream << ", ";
nsStream << name << ": " << attr->Value();
}
}
properties["Namespaces"] = nsStream.str().empty() ? "N/A" : nsStream.str();
std::stringstream declStream;
for (tinyxml2::XMLElement* child = root->FirstChildElement(); child; child = child->NextSiblingElement()) {
if (!declStream.str().empty()) declStream << "; ";
declStream << child->Name() << " (name: " << (child->Attribute("name") ? child->Attribute("name") : "N/A")
<< ", match: " << (child->Attribute("match") ? child->Attribute("match") : "N/A") << ")";
}
properties["Top-Level Declarations"] = declStream.str().empty() ? "N/A" : declStream.str();
std::stringstream packageStream;
packageStream << "Name: " << (root->Attribute("name") ? root->Attribute("name") : "N/A")
<< ", Version: " << (root->Attribute("package-version") ? root->Attribute("package-version") : "N/A");
properties["Package-Specific Properties"] = packageStream.str();
}
void printProperties() const {
for (const auto& pair : properties) {
std::cout << pair.first << ": " << pair.second << std::endl;
}
}
void write(const std::string& newFilepath = "") const {
if (!root) {
throw std::runtime_error("File not read yet.");
}
std::string target = newFilepath.empty() ? filepath : newFilepath;
doc.SaveFile(target.c_str());
}
};
// Example usage:
// int main() {
// try {
// XsltHandler handler("example.xslt");
// handler.readAndDecode();
// handler.printProperties();
// handler.write("output.xslt");
// } catch (const std::exception& e) {
// std::cerr << "Error: " << e.what() << std::endl;
// }
// return 0;
// }