more fields better parsing

index.html

@@ -14,10 +14,15 @@
     <table id="contactsTable">
         <thead>
             <tr>
-                <th>Name</th>
+                <th>Formatted Name (FN)</th>
-                <th>Phone</th>
+                <th>Family Name</th>
-                <th>Email</th>
+                <th>Given Name</th>
+                <th>Phone 1</th>
+                <th>Phone 2</th>
+                <th>Email 1</th>
+                <th>Email 2</th>
                 <th>Organization</th>
+                <th>Other Properties</th>
             </tr>
         </thead>
         <tbody id="contactsTableBody">

script.js

@@ -6,58 +6,124 @@ document.getElementById('vcardFile').addEventListener('change', function(event)
             const rawContent = e.target.result;
             const contacts = parseVCard(rawContent);
             displayContactsInTable(contacts);
-            // For debugging, also show raw content
-            // const vcardContentDiv = document.getElementById('vcardRawContent');
-            // vcardContentDiv.textContent = rawContent;
         };
-        reader.readAsText(file);
+        reader.readAsText(file); // Defaulting to UTF-8, VCard CHARSET can override
     }
 });
 
+function decodeQuotedPrintable(str, charset = 'UTF-8') {
+    // Handle soft line breaks (= at the end of a line)
+    str = str.replace(/=\r?\n/g, '');
+
+    // Decode =XX hex sequences
+    try {
+        const bytes = [];
+        for (let i = 0; i < str.length; i++) {
+            if (str[i] === '=' && str[i+1] && str[i+2]) {
+                const hex = str.substring(i+1, i+3);
+                bytes.push(parseInt(hex, 16));
+                i += 2;
+            } else {
+                bytes.push(str.charCodeAt(i));
+            }
+        }
+        const byteArray = new Uint8Array(bytes);
+        // Standard charsets like UTF-8, ISO-8859-1 are well supported
+        // For others, TextDecoder might not work or might need a polyfill
+        return new TextDecoder(charset).decode(byteArray);
+    } catch (e) {
+        console.error("Error decoding quoted-printable string:", e);
+        // Fallback to a simpler replacement if TextDecoder fails or for basic cases
+        return str.replace(/=([A-F0-9]{2})/g, (match, p1) => String.fromCharCode(parseInt(p1, 16)));
+    }
+}
+
+
 function parseVCard(rawContent) {
     const contacts = [];
-    const lines = rawContent.split(/\r\n|\r|\n/);
+    // Handle line folding: join lines that start with a space or tab
+    const foldedLines = rawContent.replace(/\r?\n[ \t]/g, '');
+    const lines = foldedLines.split(/\r?\n|\r|\n/);
+
     let currentContact = null;
 
     lines.forEach(line => {
+        if (line.trim() === '') return;
         if (line.toUpperCase() === 'BEGIN:VCARD') {
-            currentContact = {};
+            currentContact = {
+                tel: [],
+                email: [],
+                adr: [],
+                other: {} // For all other properties
+            };
         } else if (line.toUpperCase() === 'END:VCARD') {
             if (currentContact) {
                 contacts.push(currentContact);
                 currentContact = null;
             }
         } else if (currentContact) {
-            const parts = line.split(':');
+            let [fullKey, ...valueParts] = line.split(':');
-            if (parts.length >= 2) {
+            let value = valueParts.join(':');
-                const keyPart = parts[0];
-                const value = parts.slice(1).join(':');
 
-                // Basic parsing for common fields
+            const keyParts = fullKey.split(';');
-                // FN (Formatted Name)
+            const mainKey = keyParts[0].toUpperCase();
-                if (keyPart.startsWith('FN')) {
+            const params = {};
+            keyParts.slice(1).forEach(p => {
+                const [paramName, paramValue] = p.split('=');
+                params[paramName.toUpperCase()] = paramValue;
+            });
+
+            // Check for Quoted-Printable encoding
+            if (params['ENCODING'] === 'QUOTED-PRINTABLE') {
+                const charset = params['CHARSET'] || 'UTF-8';
+                value = decodeQuotedPrintable(value, charset);
+            }
+
+            switch (mainKey) {
+                case 'FN':
                     currentContact.fn = value;
-                }
+                    break;
-                // TEL (Telephone)
+                case 'N':
-                else if (keyPart.startsWith('TEL')) {
+                    // N:Family;Given;Middle;Prefix;Suffix
-                    // Simplistic approach: take the first TEL found
+                    const nameParts = value.split(';');
-                    if (!currentContact.tel) currentContact.tel = value;
+                    currentContact.n = {
-                }
+                        family: nameParts[0] || '',
-                // EMAIL
+                        given: nameParts[1] || '',
-                else if (keyPart.startsWith('EMAIL')) {
+                        middle: nameParts[2] || '',
-                     // Simplistic approach: take the first EMAIL found
+                        prefix: nameParts[3] || '',
-                    if (!currentContact.email) currentContact.email = value;
+                        suffix: nameParts[4] || ''
-                }
+                    };
-                // ORG (Organization)
+                    break;
-                else if (keyPart.startsWith('ORG')) {
+                case 'TEL':
-                    currentContact.org = value;
+                    currentContact.tel.push({ value: value, params: params });
-                }
+                    break;
+                case 'EMAIL':
+                    currentContact.email.push({ value: value, params: params });
+                    break;
+                case 'ORG':
+                    currentContact.org = value.split(';')[0]; // Organization name, ignore department for now
+                    break;
+                case 'ADR':
+                    currentContact.adr.push({ value: value, params: params });
+                    break;
+                // Add more common cases if needed, or they fall into 'other'
+                default:
+                    if (currentContact.other[mainKey]) {
+                        if (!Array.isArray(currentContact.other[mainKey])) {
+                            currentContact.other[mainKey] = [currentContact.other[mainKey]];
+                        }
+                        currentContact.other[mainKey].push({ value: value, params: params });
+                    } else {
+                        currentContact.other[mainKey] = { value: value, params: params };
+                    }
+                    break;
             }
         }
     });
     return contacts;
 }
 
+
 function displayContactsInTable(contacts) {
     const tableBody = document.getElementById('contactsTableBody');
     if (!tableBody) {
@@ -66,19 +132,65 @@ function displayContactsInTable(contacts) {
     }
     tableBody.innerHTML = ''; // Clear previous entries
 
-    if (contacts.length === 0) {
+    if (!contacts || contacts.length === 0) {
         const row = tableBody.insertRow();
         const cell = row.insertCell();
-        cell.colSpan = 4; // Number of columns
+        // Adjust colSpan when table structure is finalized in index.html
-        cell.textContent = 'No contacts found in the VCard file.';
+        cell.colSpan = 9; // Placeholder, update with actual number of columns
+        cell.textContent = 'No contacts found or VCard is empty/invalid.';
         return;
     }
 
     contacts.forEach(contact => {
         const row = tableBody.insertRow();
         row.insertCell().textContent = contact.fn || 'N/A';
-        row.insertCell().textContent = contact.tel || 'N/A';
+        
-        row.insertCell().textContent = contact.email || 'N/A';
+        // Structured Name (N)
+        row.insertCell().textContent = contact.n ? contact.n.family : 'N/A';
+        row.insertCell().textContent = contact.n ? contact.n.given : 'N/A';
+
+        // Phones - display first two, with types if available
+        for (let i = 0; i < 2; i++) {
+            const telCell = row.insertCell();
+            if (contact.tel && contact.tel[i]) {
+                let telStr = contact.tel[i].value;
+                const type = contact.tel[i].params['TYPE'];
+                if (type) telStr += ` (${type.split(',').join('/')})`; // Display multiple types e.g. (HOME/VOICE)
+                telCell.textContent = telStr;
+            } else {
+                telCell.textContent = 'N/A';
+            }
+        }
+
+        // Emails - display first two, with types if available
+        for (let i = 0; i < 2; i++) {
+            const emailCell = row.insertCell();
+            if (contact.email && contact.email[i]) {
+                let emailStr = contact.email[i].value;
+                const type = contact.email[i].params['TYPE'];
+                if (type) emailStr += ` (${type.split(',').join('/')})`;
+                emailCell.textContent = emailStr;
+            } else {
+                emailCell.textContent = 'N/A';
+            }
+        }
+        
         row.insertCell().textContent = contact.org || 'N/A';
+
+        // Other Properties
+        const otherCell = row.insertCell();
+        let otherText = '';
+        for (const key in contact.other) {
+            const prop = contact.other[key];
+            if (Array.isArray(prop)) {
+                prop.forEach(pItem => {
+                    otherText += `${key}: ${pItem.value} (${JSON.stringify(pItem.params)})\n`;
+                });
+            } else {
+                 otherText += `${key}: ${prop.value} (${JSON.stringify(prop.params)})\n`;
+            }
+        }
+        otherCell.textContent = otherText.trim() || 'N/A';
+        otherCell.style.whiteSpace = 'pre-wrap'; // To respect newlines
     });
 }