diff options
Diffstat (limited to 'util/text')
| -rw-r--r-- | util/text/text.go | 14 | ||||
| -rw-r--r-- | util/text/text_test.go | 30 |
2 files changed, 28 insertions, 16 deletions
diff --git a/util/text/text.go b/util/text/text.go index c000596c..cffb4ee2 100644 --- a/util/text/text.go +++ b/util/text/text.go @@ -3,6 +3,8 @@ package text import ( "bytes" "strings" + + "github.com/mattn/go-runewidth" ) // Wrap a text for an exact line size @@ -116,7 +118,7 @@ func wordLen(word string) int { } if !escape { - length++ + length += runewidth.RuneWidth(rune(char)) } if char == 'm' { @@ -143,11 +145,17 @@ func splitWord(word string, length int) (string, string) { escape = true } + width := runewidth.RuneWidth(r) + if width+added > length { + // wide character made the length overflow + break + } + result = append(result, r) if !escape { - added++ - if added == length { + added += width + if added >= length { break } } diff --git a/util/text/text_test.go b/util/text/text_test.go index cf72431e..f5b15a43 100644 --- a/util/text/text_test.go +++ b/util/text/text_test.go @@ -89,16 +89,16 @@ func TestWrap(t *testing.T) { " This\nis a\nlist:\n\n\n *\nfoo\n *\nbar\n\n\n *\nbaz\nBAM\n", 6, }, - // Handle chinese + // Handle chinese (wide characters) { "婞一枳郲逴靲屮蜧曀殳，掫乇峔掮傎溒兀緉冘仜。", - "婞一枳郲逴靲屮蜧曀殳，掫\n乇峔掮傎溒兀緉冘仜。", + "婞一枳郲逴靲\n屮蜧曀殳，掫\n乇峔掮傎溒兀\n緉冘仜。", 12, }, // Handle chinese with colors { "婞一枳郲逴\x1b[31m靲屮蜧曀殳，掫乇峔掮傎溒\x1b[0m兀緉冘仜。", - "婞一枳郲逴\x1b[31m靲屮蜧曀殳，掫\n乇峔掮傎溒\x1b[0m兀緉冘仜。", + "婞一枳郲逴\x1b[31m靲\n屮蜧曀殳，掫\n乇峔掮傎溒\x1b[0m兀\n緉冘仜。", 12, }, } @@ -134,10 +134,14 @@ func TestWrapLeftPadded(t *testing.T) { // Handle Chinese { "婞一枳郲逴靲屮蜧曀殳，掫乇峔掮傎溒兀緉冘仜。郼牪艽螗媷錵朸一詅掜豗怙刉笀丌，楀棶乇矹迡搦囷圣亍昄漚粁仈祂。覂一洳袶揙楱亍滻瘯毌，掗屮柅軡菵腩乜榵毌夯。勼哻怌婇怤灟葠雺奷朾恦扰衪岨坋誁乇芚誙腞。冇笉妺悆浂鱦賌廌灱灱觓坋佫呬耴跣兀枔蓔輈。嵅咍犴膰痭瘰机一靬涽捊矷尒玶乇，煚塈丌岰陊鉖怞戉兀甿跾觓夬侄。棩岧汌橩僁螗玎一逭舴圂衪扐衲兀，嵲媕亍衩衿溽昃夯丌侄蒰扂丱呤。毰侘妅錣廇螉仴一暀淖蚗佶庂咺丌，輀鈁乇彽洢溦洰氶乇构碨洐巿阹。", - ` 婞一枳郲逴靲屮蜧曀殳，掫乇峔掮傎溒兀緉冘仜。郼牪艽螗媷錵朸一詅掜豗怙刉笀丌，楀棶乇矹迡搦囷圣亍昄漚粁仈祂。覂一 - 洳袶揙楱亍滻瘯毌，掗屮柅軡菵腩乜榵毌夯。勼哻怌婇怤灟葠雺奷朾恦扰衪岨坋誁乇芚誙腞。冇笉妺悆浂鱦賌廌灱灱觓坋佫呬 - 耴跣兀枔蓔輈。嵅咍犴膰痭瘰机一靬涽捊矷尒玶乇，煚塈丌岰陊鉖怞戉兀甿跾觓夬侄。棩岧汌橩僁螗玎一逭舴圂衪扐衲兀，嵲 - 媕亍衩衿溽昃夯丌侄蒰扂丱呤。毰侘妅錣廇螉仴一暀淖蚗佶庂咺丌，輀鈁乇彽洢溦洰氶乇构碨洐巿阹。`, + ` 婞一枳郲逴靲屮蜧曀殳，掫乇峔掮傎溒兀緉冘仜。郼牪艽螗媷 + 錵朸一詅掜豗怙刉笀丌，楀棶乇矹迡搦囷圣亍昄漚粁仈祂。覂 + 一洳袶揙楱亍滻瘯毌，掗屮柅軡菵腩乜榵毌夯。勼哻怌婇怤灟 + 葠雺奷朾恦扰衪岨坋誁乇芚誙腞。冇笉妺悆浂鱦賌廌灱灱觓坋 + 佫呬耴跣兀枔蓔輈。嵅咍犴膰痭瘰机一靬涽捊矷尒玶乇，煚塈 + 丌岰陊鉖怞戉兀甿跾觓夬侄。棩岧汌橩僁螗玎一逭舴圂衪扐衲 + 兀，嵲媕亍衩衿溽昃夯丌侄蒰扂丱呤。毰侘妅錣廇螉仴一暀淖 + 蚗佶庂咺丌，輀鈁乇彽洢溦洰氶乇构碨洐巿阹。`, 59, 4, }, } @@ -182,12 +186,12 @@ func TestWordLen(t *testing.T) { // Handle chinese { "快檢什麼望對", - 6, + 12, }, // Handle chinese with colors { "快\x1b[31m檢什麼\x1b[0m望對", - 6, + 12, }, } @@ -245,18 +249,18 @@ func TestSplitWord(t *testing.T) { // Handle chinese { "快檢什麼望對", - 2, + 4, "快檢", "什麼望對", }, { "快檢什麼望對", - 3, - "快檢什", "麼望對", + 5, + "快檢", "什麼望對", }, // Handle chinese with colors { "快\x1b[31m檢什麼\x1b[0m望對", - 2, + 4, "快\x1b[31m檢", "什麼\x1b[0m望對", }, } |