ppt_rs/oxml/
ns.rs

1//! XML namespace handling
2
3use std::collections::HashMap;
4
5/// Represents an XML namespace
6#[derive(Debug, Clone)]
7pub struct Namespace {
8    prefix: String,
9    uri: String,
10}
11
12impl Namespace {
13    /// Create a new Namespace
14    pub fn new(prefix: &str, uri: &str) -> Self {
15        Namespace {
16            prefix: prefix.to_string(),
17            uri: uri.to_string(),
18        }
19    }
20
21    /// Get the prefix
22    pub fn prefix(&self) -> &str {
23        &self.prefix
24    }
25
26    /// Get the URI
27    pub fn uri(&self) -> &str {
28        &self.uri
29    }
30}
31
32/// Namespace registry
33pub struct NamespaceRegistry {
34    namespaces: HashMap<String, String>,
35}
36
37impl NamespaceRegistry {
38    /// Create a new NamespaceRegistry
39    pub fn new() -> Self {
40        let mut namespaces = HashMap::new();
41        
42        // Register standard namespaces
43        namespaces.insert("p".to_string(), "http://schemas.openxmlformats.org/presentationml/2006/main".to_string());
44        namespaces.insert("a".to_string(), "http://schemas.openxmlformats.org/drawingml/2006/main".to_string());
45        namespaces.insert("r".to_string(), "http://schemas.openxmlformats.org/officeDocument/2006/relationships".to_string());
46        namespaces.insert("rel".to_string(), "http://schemas.openxmlformats.org/package/2006/relationships".to_string());
47        namespaces.insert("c".to_string(), "http://schemas.openxmlformats.org/drawingml/2006/chart".to_string());
48        
49        NamespaceRegistry { namespaces }
50    }
51
52    /// Register a namespace
53    pub fn register(&mut self, prefix: &str, uri: &str) {
54        self.namespaces.insert(prefix.to_string(), uri.to_string());
55    }
56
57    /// Get a namespace URI by prefix
58    pub fn get(&self, prefix: &str) -> Option<&str> {
59        self.namespaces.get(prefix).map(|s| s.as_str())
60    }
61
62    /// Get all namespaces
63    pub fn all(&self) -> &HashMap<String, String> {
64        &self.namespaces
65    }
66}
67
68impl Default for NamespaceRegistry {
69    fn default() -> Self {
70        Self::new()
71    }
72}
73
74// Standard namespace constants
75pub const PML: &str = "http://schemas.openxmlformats.org/presentationml/2006/main";
76pub const DML: &str = "http://schemas.openxmlformats.org/drawingml/2006/main";
77pub const RELATIONSHIPS: &str = "http://schemas.openxmlformats.org/officeDocument/2006/relationships";
78pub const PACKAGE_RELATIONSHIPS: &str = "http://schemas.openxmlformats.org/package/2006/relationships";
79pub const CHART: &str = "http://schemas.openxmlformats.org/drawingml/2006/chart";
80pub const CORE_PROPERTIES: &str = "http://schemas.openxmlformats.org/package/2006/metadata/core-properties";
81
82#[cfg(test)]
83mod tests {
84    use super::*;
85
86    #[test]
87    fn test_namespace_creation() {
88        let ns = Namespace::new("p", PML);
89        assert_eq!(ns.prefix(), "p");
90        assert_eq!(ns.uri(), PML);
91    }
92
93    #[test]
94    fn test_namespace_clone() {
95        let ns1 = Namespace::new("a", DML);
96        let ns2 = ns1.clone();
97        assert_eq!(ns1.prefix(), ns2.prefix());
98        assert_eq!(ns1.uri(), ns2.uri());
99    }
100
101    #[test]
102    fn test_registry_new() {
103        let registry = NamespaceRegistry::new();
104        assert!(registry.get("p").is_some());
105        assert!(registry.get("a").is_some());
106        assert!(registry.get("r").is_some());
107        assert!(registry.get("c").is_some());
108    }
109
110    #[test]
111    fn test_registry_default() {
112        let registry = NamespaceRegistry::default();
113        assert_eq!(registry.get("p"), Some(PML));
114        assert_eq!(registry.get("a"), Some(DML));
115    }
116
117    #[test]
118    fn test_registry_get() {
119        let registry = NamespaceRegistry::new();
120        assert_eq!(registry.get("p"), Some(PML));
121        assert_eq!(registry.get("a"), Some(DML));
122        assert_eq!(registry.get("r"), Some(RELATIONSHIPS));
123        assert_eq!(registry.get("c"), Some(CHART));
124        assert_eq!(registry.get("unknown"), None);
125    }
126
127    #[test]
128    fn test_registry_register() {
129        let mut registry = NamespaceRegistry::new();
130        registry.register("custom", "http://example.com/custom");
131        assert_eq!(registry.get("custom"), Some("http://example.com/custom"));
132    }
133
134    #[test]
135    fn test_registry_all() {
136        let registry = NamespaceRegistry::new();
137        let all = registry.all();
138        assert!(all.len() >= 5);
139        assert!(all.contains_key("p"));
140        assert!(all.contains_key("a"));
141    }
142
143    #[test]
144    fn test_namespace_constants() {
145        assert!(PML.contains("presentationml"));
146        assert!(DML.contains("drawingml"));
147        assert!(RELATIONSHIPS.contains("relationships"));
148        assert!(CHART.contains("chart"));
149        assert!(CORE_PROPERTIES.contains("core-properties"));
150    }
151
152    #[test]
153    fn test_registry_override() {
154        let mut registry = NamespaceRegistry::new();
155        let original = registry.get("p").unwrap().to_string();
156        registry.register("p", "http://custom.com/pml");
157        assert_eq!(registry.get("p"), Some("http://custom.com/pml"));
158        assert_ne!(registry.get("p"), Some(original.as_str()));
159    }
160}
ppt_rs/oxml/ns.rs

ppt_rs/oxml/
ns.rs
