Added GetMethodInfoForName

xpcom/libxpt/xptinfo/public/nsIInterfaceInfo.h

@@ -50,6 +50,8 @@ public:
     // These include methods and constants of parents.
     // There do *not* make copies ***explicit bending of XPCOM rules***
     NS_IMETHOD GetMethodInfo(uint16 index, const nsXPTMethodInfo** info) = 0;
+    NS_IMETHOD GetMethodInfoForName(const char* methodName, uint16 *index,
+                                    const nsXPTMethodInfo** info) = 0;
     NS_IMETHOD GetConstant(uint16 index, const nsXPTConstant** constant) = 0;
 
     // Get the interface information or iid associated with a param of some

xpcom/libxpt/xptinfo/src/nsInterfaceInfo.cpp

@@ -127,6 +127,36 @@ nsInterfaceInfo::GetMethodInfo(uint16 index, const nsXPTMethodInfo** info)
     return NS_OK;
 }
 
+NS_IMETHODIMP
+nsInterfaceInfo::GetMethodInfoForName(const char* methodName, uint16 *index,
+                                      const nsXPTMethodInfo** result)
+{
+    // XXX probably want to speed this up with a hashtable, or by at least interning
+    // the names to avoid the strcmp
+    nsresult rv;
+    for (uint16 i = mMethodBaseIndex; i < mMethodCount; i++) {
+        const nsXPTMethodInfo* info;
+        info = NS_REINTERPRET_CAST(nsXPTMethodInfo*,
+                                   &mInterfaceRecord->interfaceDescriptor->
+                                   method_descriptors[i - mMethodBaseIndex]);
+        if (PL_strcmp(methodName, info->name) == 0) {
+#ifdef NS_DEBUG
+            // make sure there aren't duplicate names
+            for (; i < mMethodCount; i++) {
+                const nsXPTMethodInfo* info2;
+                info2 = NS_REINTERPRET_CAST(nsXPTMethodInfo*,
+                                           &mInterfaceRecord->interfaceDescriptor->
+                                           method_descriptors[i - mMethodBaseIndex]);
+                NS_ASSERTION(PL_strcmp(methodName, info2->name)!= 0, "duplicate names");
+            }
+#endif
+            *result = info;
+            return NS_OK;
+        }
+    }
+    return NS_ERROR_INVALID_ARG;
+}
+
 NS_IMETHODIMP
 nsInterfaceInfo::GetConstant(uint16 index, const nsXPTConstant** constant)
 {

xpcom/libxpt/xptinfo/src/nsInterfaceInfo.h

@@ -48,6 +48,8 @@ class nsInterfaceInfo : public nsIInterfaceInfo
     // These include methods and constants of parents.
     // There do *not* make copies ***explicit bending of XPCOM rules***
     NS_IMETHOD GetMethodInfo(uint16 index, const nsXPTMethodInfo** info);
+    NS_IMETHOD GetMethodInfoForName(const char* methodName, uint16 *index,
+                                    const nsXPTMethodInfo** info);
     NS_IMETHOD GetConstant(uint16 index, const nsXPTConstant** constant);
 
     // Get the interface information or iid associated with a param of some

xpcom/reflect/xptinfo/public/nsIInterfaceInfo.h

@@ -50,6 +50,8 @@ public:
     // These include methods and constants of parents.
     // There do *not* make copies ***explicit bending of XPCOM rules***
     NS_IMETHOD GetMethodInfo(uint16 index, const nsXPTMethodInfo** info) = 0;
+    NS_IMETHOD GetMethodInfoForName(const char* methodName, uint16 *index,
+                                    const nsXPTMethodInfo** info) = 0;
     NS_IMETHOD GetConstant(uint16 index, const nsXPTConstant** constant) = 0;
 
     // Get the interface information or iid associated with a param of some

xpcom/reflect/xptinfo/src/nsInterfaceInfo.cpp

@@ -127,6 +127,36 @@ nsInterfaceInfo::GetMethodInfo(uint16 index, const nsXPTMethodInfo** info)
     return NS_OK;
 }
 
+NS_IMETHODIMP
+nsInterfaceInfo::GetMethodInfoForName(const char* methodName, uint16 *index,
+                                      const nsXPTMethodInfo** result)
+{
+    // XXX probably want to speed this up with a hashtable, or by at least interning
+    // the names to avoid the strcmp
+    nsresult rv;
+    for (uint16 i = mMethodBaseIndex; i < mMethodCount; i++) {
+        const nsXPTMethodInfo* info;
+        info = NS_REINTERPRET_CAST(nsXPTMethodInfo*,
+                                   &mInterfaceRecord->interfaceDescriptor->
+                                   method_descriptors[i - mMethodBaseIndex]);
+        if (PL_strcmp(methodName, info->name) == 0) {
+#ifdef NS_DEBUG
+            // make sure there aren't duplicate names
+            for (; i < mMethodCount; i++) {
+                const nsXPTMethodInfo* info2;
+                info2 = NS_REINTERPRET_CAST(nsXPTMethodInfo*,
+                                           &mInterfaceRecord->interfaceDescriptor->
+                                           method_descriptors[i - mMethodBaseIndex]);
+                NS_ASSERTION(PL_strcmp(methodName, info2->name)!= 0, "duplicate names");
+            }
+#endif
+            *result = info;
+            return NS_OK;
+        }
+    }
+    return NS_ERROR_INVALID_ARG;
+}
+
 NS_IMETHODIMP
 nsInterfaceInfo::GetConstant(uint16 index, const nsXPTConstant** constant)
 {

xpcom/reflect/xptinfo/src/nsInterfaceInfo.h

@@ -48,6 +48,8 @@ class nsInterfaceInfo : public nsIInterfaceInfo
     // These include methods and constants of parents.
     // There do *not* make copies ***explicit bending of XPCOM rules***
     NS_IMETHOD GetMethodInfo(uint16 index, const nsXPTMethodInfo** info);
+    NS_IMETHOD GetMethodInfoForName(const char* methodName, uint16 *index,
+                                    const nsXPTMethodInfo** info);
     NS_IMETHOD GetConstant(uint16 index, const nsXPTConstant** constant);
 
     // Get the interface information or iid associated with a param of some