get more information about error (#53)

Co-authored-by: li_kuankuan <li_kuankuan@topsec.com.cn>
Co-authored-by: Joe Chen <jc@unknwon.io>

conf.go

@@ -176,7 +176,7 @@ func (c *ConfigFile) GetValue(section, key string) (string, error) {
 	// Check if section exists
 	if _, ok := c.data[section]; !ok {
 		// Section does not exist.
-		return "", getError{ERR_SECTION_NOT_FOUND, section}
+		return "", GetError{ERR_SECTION_NOT_FOUND, section}
 	}
 
 	// Section exists.
@@ -189,7 +189,7 @@ func (c *ConfigFile) GetValue(section, key string) (string, error) {
 		}
 
 		// Return empty value.
-		return "", getError{ERR_KEY_NOT_FOUND, key}
+		return "", GetError{ERR_KEY_NOT_FOUND, key}
 	}
 
 	// Key exists.
@@ -436,7 +436,7 @@ func (c *ConfigFile) GetSection(section string) (map[string]string, error) {
 	// Check if section exists.
 	if _, ok := c.data[section]; !ok {
 		// Section does not exist.
-		return nil, getError{ERR_SECTION_NOT_FOUND, section}
+		return nil, GetError{ERR_SECTION_NOT_FOUND, section}
 	}
 
 	// Remove pre-defined key.
@@ -544,14 +544,14 @@ func (c *ConfigFile) SetPrettyFormat(pretty bool) {
 	c.prettyFormat = pretty
 }
 
-// getError occurs when get value in configuration file with invalid parameter.
-type getError struct {
+// GetError occurs when get value in configuration file with invalid parameter.
+type GetError struct {
 	Reason ParseError
 	Name   string
 }
 
 // Error implements Error interface.
-func (err getError) Error() string {
+func (err GetError) Error() string {
 	switch err.Reason {
 	case ERR_SECTION_NOT_FOUND:
 		return fmt.Sprintf("section '%s' not found", err.Name)

read.go

@@ -86,7 +86,7 @@ func (c *ConfigFile) read(reader io.Reader) (err error) {
 			count = 1
 			continue
 		case section == "": // No section defined so far
-			return readError{ERR_BLANK_SECTION_NAME, line}
+			return ReadError{ERR_BLANK_SECTION_NAME, line}
 		default: // Other alternatives
 			var (
 				i        int
@@ -109,19 +109,19 @@ func (c *ConfigFile) read(reader io.Reader) (err error) {
 				qLen := len(keyQuote)
 				pos := strings.Index(line[qLen:], keyQuote)
 				if pos == -1 {
-					return readError{ERR_COULD_NOT_PARSE, line}
+					return ReadError{ERR_COULD_NOT_PARSE, line}
 				}
 				pos = pos + qLen
 				i = strings.IndexAny(line[pos:], "=:")
 				if i <= 0 {
-					return readError{ERR_COULD_NOT_PARSE, line}
+					return ReadError{ERR_COULD_NOT_PARSE, line}
 				}
 				i = i + pos
 				key = line[qLen:pos] //保留引号内的两端的空格
 			} else {
 				i = strings.IndexAny(line, "=:")
 				if i <= 0 {
-					return readError{ERR_COULD_NOT_PARSE, line}
+					return ReadError{ERR_COULD_NOT_PARSE, line}
 				}
 				key = strings.TrimSpace(line[0:i])
 			}
@@ -149,7 +149,7 @@ func (c *ConfigFile) read(reader io.Reader) (err error) {
 				qLen := len(valQuote)
 				pos := strings.LastIndex(lineRight[qLen:], valQuote)
 				if pos == -1 {
-					return readError{ERR_COULD_NOT_PARSE, line}
+					return ReadError{ERR_COULD_NOT_PARSE, line}
 				}
 				pos = pos + qLen
 				value = lineRight[qLen:pos]
@@ -276,14 +276,14 @@ func (c *ConfigFile) AppendFiles(files ...string) error {
 	return c.Reload()
 }
 
-// readError occurs when read configuration file with wrong format.
-type readError struct {
+// ReadError occurs when read configuration file with wrong format.
+type ReadError struct {
 	Reason  ParseError
 	Content string // Line content
 }
 
 // Error implement Error interface.
-func (err readError) Error() string {
+func (err ReadError) Error() string {
 	switch err.Reason {
 	case ERR_BLANK_SECTION_NAME:
 		return "empty section name not allowed"