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Squeeze hex dump to get rid of duplicate lines

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This commit is contained in:
Jordan Goulder 2025-01-14 16:37:02 -05:00
parent 98ad0d4dfe
commit 6d79a35ce5
1 changed files with 21 additions and 3 deletions
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24
src/components/HexDump.vue
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@ -14,8 +14,12 @@ const hexDump = computed(() => {
return ''.padEnd(80, ' ')
}
let lastLine = ''
let repeat = false
while (offset < total) {
const values = [offset.toString(16).padStart(8, '0')]
const offsetStr = offset.toString(16).padStart(8, '0')
const values = []
const asciiValues: string[] = []
let cnt = 0
while (offset < total && cnt < 16) {
@ -31,7 +35,7 @@ const hexDump = computed(() => {
values.push(byte.toString(16).padStart(2, '0'))
const char = String.fromCharCode(byte)
if (char > ' ' && char <= 'a') {
if (char >= ' ' && char <= '~') {
asciiValues.push(char)
} else {
asciiValues.push('.')
@ -60,7 +64,21 @@ const hexDump = computed(() => {
asciiValues.push('|')
}
lines.push(values.join(' ') + asciiValues.join(''))
const line = values.join(' ')
if (line !== lastLine) {
if (repeat) {
lines.push('*'.padEnd(80, ' '))
}
repeat = false
lines.push([offsetStr, line].join(' ') + asciiValues.join(''))
lastLine = line
} else {
repeat = true
}
}
if (repeat) {
lines.push('*'.padEnd(80, ' '))
}
lines.push(offset.toString(16).padStart(8, '0').padEnd(80, ' '))
return lines.join('\n')