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const {setInputType, removeQuotes} = require('./commonFuncs.js') |
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// ===================textFrom================================= |
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export function textFrom (inpObj, cmdArgs, inclusive) { |
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// cmdArgs is an array of arguments |
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// inpObj is an object containing the text object we need to snip contents from |
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// the format of the call is eg. |
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// '--textFrom "some text" 2 - would start from the second instance of "some text" |
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if (setInputType(inpObj, 'plain')) { |
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let x = findLocation(inpObj, cmdArgs, inclusive ? '--start' : '--from') |
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if (x.found) { |
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inpObj.plain = inpObj.plain.substr(x.loc + (inclusive === true ? 0 : x.len)) |
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} |
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} |
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} |
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// ===================textTo=================================== |
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export function textTo (inpObj, cmdArgs, inclusive) { |
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// cmdArgs is an array of arguments |
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// inpObj is an object containing the text object we need to snip contents from |
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// the format of the call is eg. |
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// '--textTo "some text" 2 - would go up to the second instance of "some text" |
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if (setInputType(inpObj, 'plain')) { |
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let x = findLocation(inpObj, cmdArgs, inclusive ? '--finish' : '--to') |
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if (x.found) { |
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inpObj.plain = inpObj.plain.substring(0, x.loc + (inclusive === true ? x.len : 0)) |
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} |
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} |
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} |
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function findLocation (inpObj, cmdArgs, errString) { |
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// find the location of the nth occurrence of the text specified in the command arguments |
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let occ |
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if (cmdArgs.length === 1) { |
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occ = 1 // by default we take from the first occurrence of this text |
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} else if (cmdArgs.length === 2) { |
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if ((cmdArgs[1] - 0) === (cmdArgs[1] - 0)) { |
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occ = (cmdArgs[1] - 0) |
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if (occ < 1) { |
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inpObj.error.push(errString + ' requires its second argument to be a numeric value of at least 1 being the instance required') |
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return {found: false} |
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} |
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} else { |
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inpObj.error.push(errString + " requires its second argument to be numeric eg. '" + errString + " sometext 2' with the optional second argument being the instance required") |
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return {found: false} |
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} |
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} else { |
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inpObj.error.push(errString + " requires 1 or 2 arguments eg. '" + errString + " sometext' with the optional second argument being the instance required.") |
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return {found: false} |
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} |
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let x = -1 |
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let arg = removeQuotes(cmdArgs[0]) |
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for (let i = 0; i < occ; i++) { |
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x = inpObj.plain.indexOf(arg, x + 1) |
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} |
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if (x === -1) { |
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inpObj.error.push('unable to find occurrence ' + occ + ' of "' + arg + '"') |
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} |
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return {found: (x !== -1), loc: x, len: arg.length} |
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} |
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bkp7 /
fsnip
