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change_capitalization.lua
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-- Capitalize text or make it lowercase / uppercase. Select lines, run the script, choose from the 5 options.
script_name="Change capitalization"
script_description="Capitalizes text or makes it lowercase or uppercase"
script_author="unanimated"
script_version="2.1"
-- Unicode support: this is used for capitalisation of non-standard characters. Add more if your language requires it.
unilow={"ä","ö","ü","ë","å","ø","æ","á","é","í","ó","ú","ý","à","è","ì","ò","ù","ç","ï","â","ê","î","ô","û","č","ď","ě","ň","ř","š","ť","ž","ů","ñ","ａ","ｂ","ｃ","ｄ","ｅ","ｆ","ｇ","ｈ","ｉ","ｊ","ｋ","ｌ","ｍ","ｎ","ｏ","ｐ","ｑ","ｒ","ｓ","ｔ","ｕ","ｖ","ｗ","ｘ","ｙ","ｚ"}
unihigh={"Ä","Ö","Ü","Ë","Å","Ø","Æ","Á","É","Í","Ó","Ú","Ý","À","È","Ì","Ò","Ù","Ç","Ï","Â","Ê","Î","Ô","Û","Č","Ď","Ě","Ň","Ř","Š","Ť","Ž","Ů","Ñ","Ａ","Ｂ","Ｃ","Ｄ","Ｅ","Ｆ","Ｇ","Ｈ","Ｉ","Ｊ","Ｋ","Ｌ","Ｍ","Ｎ","Ｏ","Ｐ","Ｑ","Ｒ","Ｓ","Ｔ","Ｕ","Ｖ","Ｗ","Ｘ","Ｙ","Ｚ"}
function lowercase(subs, sel)
for x, i in ipairs(sel) do
line=subs[i]
text=line.text
text=text
:gsub("^","}")
:gsub("\\n","small_break")
:gsub("\\N","large_break")
:gsub("\\h","hard_space")
:gsub("}([^{]*)",function(l) return "}"..l:lower() end)
for u=1,#unilow do
text=text:gsub(unihigh[u],unilow[u])
end
text=text
:gsub("small_break","\\n")
:gsub("large_break","\\N")
:gsub("hard_space","\\h")
:gsub("^}","")
line.text=text
subs[i]=line
end
end
function uppercase(subs, sel)
for x, i in ipairs(sel) do
line=subs[i]
text=line.text
text=text
:gsub("^","}")
:gsub("\\n","SMALL_BREAK")
:gsub("\\N","LARGE_BREAK")
:gsub("\\h","HARD_SPACE")
:gsub("}([^{]*)", function (u) return "}"..u:upper() end)
for u=1,#unilow do
text=text:gsub(unilow[u],unihigh[u])
end
text=text
:gsub("SMALL_BREAK","\\n")
:gsub("LARGE_BREAK","\\N")
:gsub("HARD_SPACE","\\h")
:gsub("^}","")
line.text=text
subs[i]=line
end
end
function capitalines(subs, sel)
for x, i in ipairs(sel) do
line=subs[i]
text=line.text
text=text
:gsub("^([^{])","{}%1")
:gsub("^({[^}]-}['\"]?)(%l)([^{]-)", function (e,f,g) return e..f:upper()..g end)
:gsub(" i([ ',])"," I%1")
:gsub("\\Ni([ ',])","\\NI%1")
for u=1,#unilow do
text=text:gsub("^({[^}]-}['\"]?)"..unilow[u],"%1"..unihigh[u])
end
text=text
:gsub("^{}","")
line.text=text
subs[i]=line
end
end
function sentences(subs, sel)
for x, i in ipairs(sel) do
line=subs[i]
text=line.text
text=text
:gsub("^([^{])","{}%1")
:gsub("^({[^}]-}['\"]?)(%l)([^{]-)", function (e,f,g) return e..f:upper()..g end)
:gsub("([%.?!]%s)(%l)", function (k,l) return k..l:upper() end)
:gsub("([%.?!]%s\\N)(%l)", function (k,l) return k..l:upper() end)
:gsub(" i([ ',])"," I%1")
:gsub("\\Ni([ ',])","\\NI%1")
for u=1,#unilow do
text=text
:gsub("^({[^}]-}['\"]?)"..unilow[u],"%1"..unihigh[u])
:gsub("([%.?!]%s)"..unilow[u],"%1"..unihigh[u])
:gsub("([%.?!]%s?\\N)"..unilow[u],"%1"..unihigh[u])
end
text=text
:gsub("^{}","")
line.text=text
subs[i]=line
end
end
word={"The","A","An","At","As","On","Of","Or","For","Nor","With","Without","Within","To","Into","Onto","Unto","And","But","In","Inside","By","Till","From","Over","Above","About","Around","After","Against","Along","Below","Beneath","Beside","Between","Beyond","Under","Until","Via"}
vord={"the","a","an","at","as","on","of","or","for","nor","with","without","within","to","into","onto","unto","and","but","in","inside","by","till","from","over","above","about","around","after","against","along","below","beneath","beside","between","beyond","under","until","via"}
function capitalize(subs, sel)
for x, i in ipairs(sel) do
line=subs[i]
text=line.text
text=text
:gsub("^","}")
:gsub("\\n","*small_break*")
:gsub("\\N","*large_break*")
:gsub("\\h","*hard_space*")
:gsub("([%s\"}%(%-%=]['\"]?)(%l)(%l-)",function(e,f,g) return e..f:upper()..g end) -- after: space " } ( - =
:gsub("(break%*)(%l)(%l-)",function(h,j,k) return h..j:upper()..k end) -- after \N
for u=1,#unilow do
text=text:gsub("([%s\"}%(%-%=]['\"]?)"..unilow[u].."(%l-)","%1"..unihigh[u].."%2")
end
text=text:gsub("^}","")
for r=1,#word do
w=word[r] v=vord[r]
text=text:gsub("([^%.%:])%s"..w.."%s","%1 "..v.." ")
text=text:gsub("([^%.%:])%s({[^}]-})"..w.."%s","%1 %2"..v.." ")
end
-- other stuff
text=text
:gsub("$","#")
:gsub("(%s?)([IVXLCDM])([ivxlcdm]+)([%s%p#])",function (s,r,m,e) return s..r..m:upper()..e end) -- Roman numbers
:gsub("LID","Lid")
:gsub("DIM","Dim")
:gsub("Ok([%s%p#])","OK%1")
:gsub("%-San([%s%p#])","-san%1")
:gsub("%-Kun([%s%p#])","-kun%1")
:gsub("%-Chan([%s%p#])","-chan%1")
:gsub("%-Sama([%s%p#])","-sama%1")
:gsub("%-Dono([%s%p#])","-dono%1")
:gsub("#$","")
:gsub("%*small_break%*","\\n")
:gsub("%*large_break%*","\\N")
:gsub("%*hard_space%*","\\h")
line.text=text
subs[i]=line
end
end
function capital(subs, sel)
dialog_config=
{
{x=1,y=0,width=1,height=1,class="label",
label="Words - Capitalize All Words Like in Titles",
},
{x=1,y=1,width=1,height=1,class="label",
label=" Lines - Capitalize first word in selected lines",
},
{x=1,y=2,width=1,height=1,class="label",
label=" Sentences - Capitalize first word in each sentence",
},
{x=1,y=3,width=1,height=1,class="label",
label=" Lowercase - make text in selected lines lowercase",
},
{x=1,y=4,width=1,height=1,class="label",
label=" Uppercase - MAKE TEXT IN SELECTED LINES UPPERCASE",
},
}
pressed, results=aegisub.dialog.display(dialog_config,
{"Words","Lines","Sentences","lowercase","UPPERCASE","Cancel"},{close='Cancel'})
if pressed=="Cancel" then aegisub.cancel() end
if pressed=="Words" then lowercase(subs, sel) capitalize(subs, sel) end
if pressed=="Lines" then capitalines(subs, sel) end
if pressed=="Sentences" then sentences(subs, sel) end
if pressed=="lowercase" then lowercase(subs, sel) end
if pressed=="UPPERCASE" then uppercase(subs, sel) end
aegisub.set_undo_point(script_name)
return sel
end
aegisub.register_macro(script_name, script_description, capital)