Continue with warning when failing to read image

2 files changed, 27 insertions, 2 deletions

diff --git a/lib/document-to-html.js b/lib/document-to-html.js
index 907d62c..8a7cec0 100644
--- a/lib/document-to-html.js
+++ b/lib/document-to-html.js
@@ -174,6 +174,17 @@ function DocumentConversion(options) {
             };
         });
     });
+    
+    function recoveringConvertImage(convertImage) {
+        return function(image, html, messages, callback) {
+            convertImage(image, html, messages, function(error) {
+                if (error) {
+                    messages.push(results.warning(error.message));
+                }
+                callback();
+            });
+        };
+    }
 
     function noteHtmlId(note) {
         return htmlId(note.noteType + "-" + note.noteId);
@@ -315,7 +326,7 @@ function DocumentConversion(options) {
                 }
             });
         },
-        "image": options.convertImage || defaultConvertImage,
+        "image": recoveringConvertImage(options.convertImage || defaultConvertImage),
         "table": convertTable,
         "tableRow": convertTableRow,
         "tableCell": convertTableCell,
diff --git a/lib/docx/files.js b/lib/docx/files.js
index 2d0963b..0e95197 100644
--- a/lib/docx/files.js
+++ b/lib/docx/files.js
@@ -2,6 +2,7 @@ var fs = require("fs");
 var url = require("url");
 var os = require("os");
 var resolvePath = require("path").resolve;
+var isAbsolutePath = require('path-is-absolute');
 
 var promises = require("../promises");
 
@@ -12,7 +13,20 @@ exports.uriToPath = uriToPath;
 
 function Files(base) {
     function read(uri, encoding) {
-        return readFile(resolvePath(base, uriToPath(uri)), encoding);
+        return resolveUri(uri).then(function(path) {
+            return readFile(path, encoding);
+        });
+    }
+    
+    function resolveUri(uri) {
+        var path = uriToPath(uri);
+        if (isAbsolutePath(path)) {
+            return promises.resolve(path);
+        } else if (base) {
+            return promises.resolve(resolvePath(base, path));
+        } else {
+            return promises.reject(new Error("could not find external image '" + uri + "', path of input document is unknown"));
+        }
     }
     
     return {