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package batch
import (
"fmt"
"os"
"strings"
)
// WordEntry represents a word with optional translation
type WordEntry struct {
Bulgarian string
Translation string
}
// ReadBatchFile reads words from a file and returns WordEntry slice
// Supports formats:
// - Bulgarian word only: "ябълка"
// - With translation: "ябълка = apple"
func ReadBatchFile(filename string) ([]WordEntry, error) {
content, err := os.ReadFile(filename)
if err != nil {
return nil, fmt.Errorf("failed to read batch file: %w", err)
}
var entries []WordEntry
lines := string(content)
for _, line := range splitLines(lines) {
if line = trimSpace(line); line != "" {
// Check if line contains '=' for bulgarian = english format
if strings.Contains(line, "=") {
parts := strings.SplitN(line, "=", 2)
if len(parts) == 2 {
bulgarian := strings.TrimSpace(parts[0])
english := strings.TrimSpace(parts[1])
if bulgarian != "" {
entries = append(entries, WordEntry{
Bulgarian: bulgarian,
Translation: english,
})
}
}
} else {
// Just a bulgarian word
entries = append(entries, WordEntry{
Bulgarian: line,
Translation: "",
})
}
}
}
return entries, nil
}
// splitLines splits a string by newlines
func splitLines(s string) []string {
var lines []string
current := ""
for _, r := range s {
if r == '\n' {
lines = append(lines, current)
current = ""
} else if r != '\r' {
current += string(r)
}
}
if current != "" {
lines = append(lines, current)
}
return lines
}
// trimSpace trims whitespace from string
func trimSpace(s string) string {
start := 0
end := len(s)
// Trim from start
for start < end && isSpace(rune(s[start])) {
start++
}
// Trim from end
for end > start && isSpace(rune(s[end-1])) {
end--
}
return s[start:end]
}
func isSpace(r rune) bool {
return r == ' ' || r == '\t' || r == '\n' || r == '\r'
}
|
