From 92ec9adfcb115fe86d5ba27fcc089db027374d6a Mon Sep 17 00:00:00 2001 From: student Date: Fri, 9 Feb 2018 11:52:03 -0500 Subject: Work on CL format strings --- .../main/java/bjc/utils/ioutils/CLFormatter.java | 541 --------------------- 1 file changed, 541 deletions(-) delete mode 100644 base/src/main/java/bjc/utils/ioutils/CLFormatter.java (limited to 'base/src/main/java/bjc/utils/ioutils/CLFormatter.java') diff --git a/base/src/main/java/bjc/utils/ioutils/CLFormatter.java b/base/src/main/java/bjc/utils/ioutils/CLFormatter.java deleted file mode 100644 index 1f65607..0000000 --- a/base/src/main/java/bjc/utils/ioutils/CLFormatter.java +++ /dev/null @@ -1,541 +0,0 @@ -package bjc.utils.ioutils; - -import java.util.HashMap; -import java.util.IllegalFormatConversionException; -import java.util.ArrayList; -import java.util.List; -import java.util.Map; -import java.util.UnknownFormatConversionException; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -import bjc.utils.esodata.Tape; -import bjc.utils.esodata.SingleTape; - -import static bjc.utils.PropertyDB.applyFormat; - -import static bjc.utils.PropertyDB.getRegex; - -public class CLFormatter { - public static class CLModifiers { - public final boolean atMod; - public final boolean colonMod; - - public CLModifiers(boolean at, boolean colon) { - atMod = at; - colonMod = colon; - } - - public static CLModifiers fromString(String modString) { - boolean atMod = false; - boolean colonMod = false; - if (modString != null) { - atMod = modString.contains("@"); - colonMod = modString.contains(":"); - } - - return new CLModifiers(atMod, colonMod); - } - } - - public static class EscapeException extends RuntimeException { - private static final long serialVersionUID = -4552821131068559005L; - - public final boolean endIteration; - - public EscapeException() { - endIteration = false; - } - - public EscapeException(boolean end) { - endIteration = end; - } - } - - @FunctionalInterface - public interface Directive { - /* - * @TODO fill in parameters - */ - public void format(); - } - - private static final String prefixParam = getRegex("clFormatPrefix"); - private static final Pattern pPrefixParam = Pattern.compile(prefixParam); - - private static final String formatMod = getRegex("clFormatModifier"); - - private static final String prefixList = applyFormat("delimSeparatedList", prefixParam, ","); - - private static final String directiveName = getRegex("clFormatName"); - - private static final String formatDirective = applyFormat("clFormatDirective", prefixList, formatMod, - directiveName); - private static final Pattern pFormatDirective = Pattern.compile(formatDirective); - - private Map extraDirectives; - - public CLFormatter() { - extraDirectives = new HashMap<>(); - } - - private static void checkItem(Object itm, char directive) { - if (itm == null) - throw new IllegalArgumentException( - String.format("No argument provided for %c directive", directive)); - } - - public String formatString(String format, Object... params) { - StringBuffer sb = new StringBuffer(); - /* Put the parameters where we can easily handle them. */ - Tape tParams = new SingleTape<>(params); - - doFormatString(format, sb, tParams); - - return sb.toString(); - } - - private void doFormatString(String format, StringBuffer sb, Tape tParams) { - Matcher dirMatcher = pFormatDirective.matcher(format); - - while (dirMatcher.find()) { - dirMatcher.appendReplacement(sb, ""); - - String dirName = dirMatcher.group("name"); - String dirFunc = dirMatcher.group("funcname"); - String dirMods = dirMatcher.group("modifiers"); - String dirParams = dirMatcher.group("params"); - - CLParameters arrParams = CLParameters.fromDirective(dirParams.split("(?": - /* - * @TODO Figure out how to implement tabulation/justification in a reasonable - * manner. - */ - throw new IllegalArgumentException("Layout-control directives aren't implemented yet."); - case "F": - case "E": - case "G": - case "$": - /* @TODO implement floating point directives. */ - throw new IllegalArgumentException("Floating-point directives aren't implemented yet."); - case "S": - case "W": - /* - * @TODO figure out if we want to implement someting for these directives - * instead of punting. - */ - throw new IllegalArgumentException("S and W aren't implemented. Use A instead"); - default: - String msg = String.format("Unknown format directive '%s'", dirName); - throw new UnknownFormatConversionException(msg); - } - } - - dirMatcher.appendTail(sb); - } - - private void handleCDirective(StringBuffer buff, Object parm, CLModifiers mods) { - if (!(parm instanceof Character)) { - throw new IllegalFormatConversionException('C', parm.getClass()); - } - - char ch = (Character) parm; - int codepoint = (int) ch; - - if (mods.colonMod) { - /* - * Colon mod means print Unicode character name. - */ - buff.append(Character.getName(codepoint)); - } else { - buff.append(ch); - } - } - - private void handleFreshlineDirective(StringBuffer buff, CLParameters params) { - int nTimes = 1; - - if (params.length() > 1) { - nTimes = params.getInt(0, "occurance count", '&'); - } - - if (buff.charAt(buff.length() - 1) == '\n') - nTimes -= 1; - - for (int i = 0; i < nTimes; i++) { - buff.append("\n"); - } - } - - private void handleLiteralDirective(StringBuffer buff, CLParameters params, String lit, char directive) { - int nTimes = 1; - - if (params.length() > 1) { - nTimes = params.getInt(0, "occurance count", directive); - } - - for (int i = 0; i < nTimes; i++) { - buff.append(lit); - } - } - - private void handleNumberDirective(StringBuffer buff, CLModifiers mods, CLParameters params, int argidx, - long val, int radix) { - /* - * Initialize the two padding related parameters, and then fill them in from the - * directive parameters if they are present. - */ - int mincol = 0; - char padchar = ' '; - if (params.length() > (argidx + 2)) { - mincol = params.getIntDefault(argidx + 1, "minimum column count", 'R', 0); - } - if (params.length() > (argidx + 3)) { - padchar = params.getCharDefault(argidx + 2, "padding character", 'R', ' '); - } - - if (mods.colonMod) { - /* - * We're doing commas, so check if the two comma-related parameters were - * supplied. - */ - int commaInterval = 0; - char commaChar = ','; - if (params.length() > (argidx + 3)) { - commaChar = params.getCharDefault((argidx + 3), "comma character", 'R', ' '); - } - if (params.length() > (argidx + 4)) { - commaInterval = params.getIntDefault((argidx + 4), "comma interval", 'R', 0); - } - - NumberUtils.toCommaString(val, mincol, padchar, commaInterval, commaChar, mods.atMod, radix); - } else { - NumberUtils.toNormalString(val, mincol, padchar, mods.atMod, radix); - } - } - - private void handleRadixDirective(StringBuffer buff, CLModifiers mods, CLParameters params, Object arg) { - if (!(arg instanceof Number)) { - throw new IllegalFormatConversionException('R', arg.getClass()); - } - - /* - * @TODO see if this is the way we want to do this. - */ - long val = ((Number) arg).longValue(); - - if (params.length() == 0) { - if (mods.atMod) { - buff.append(NumberUtils.toRoman((Long) val, mods.colonMod)); - } else if (mods.colonMod) { - buff.append(NumberUtils.toOrdinal(val)); - } else { - buff.append(NumberUtils.toCardinal(val)); - } - } else { - if (params.length() < 1) - throw new IllegalArgumentException( - "R directive requires at least one parameter, the radix"); - - int radix = params.getInt(0, "radix", 'R'); - - handleNumberDirective(buff, mods, params, 0, val, radix); - } - } - - private void handleAestheticDirective(StringBuffer buff, Object item, CLModifiers mods, CLParameters params) { - int mincol = 0, colinc = 1, minpad = 0; - char padchar = ' '; - - if (params.length() > 1) { - mincol = params.getIntDefault(0, "minimum column count", 'A', 0); - } - - if (params.length() < 4) { - throw new IllegalArgumentException( - "Must provide either zero, one or four arguments to A directive"); - } - - colinc = params.getIntDefault(1, "padding increment", 'A', 1); - minpad = params.getIntDefault(2, "minimum amount of padding", 'A', 0); - padchar = params.getCharDefault(3, "padding character", 'A', ' '); - - StringBuilder work = new StringBuilder(); - - if (mods.atMod) { - for (int i = 0; i < minpad; i++) { - work.append(padchar); - } - - for (int i = work.length(); i < mincol; i++) { - for (int k = 0; k < colinc; k++) { - work.append(padchar); - } - } - } - - work.append(item.toString()); - - if (!mods.atMod) { - for (int i = 0; i < minpad; i++) { - work.append(padchar); - } - - for (int i = work.length(); i < mincol; i++) { - for (int k = 0; k < colinc; k++) { - work.append(padchar); - } - } - } - } - - private void handleGotoDirective(CLModifiers mods, CLParameters params, Tape formatParams) { - if (mods.colonMod) { - int num = 1; - if (params.length() > 1) { - num = params.getIntDefault(0, "number of arguments backward", '*', 1); - } - - formatParams.left(num); - } else if (mods.atMod) { - int num = 0; - if (params.length() > 1) { - num = params.getIntDefault(0, "argument index", '*', 0); - } - - formatParams.first(); - formatParams.right(num); - } else { - int num = 1; - if (params.length() > 1) { - num = params.getIntDefault(0, "number of arguments forward", '*', 1); - } - - formatParams.right(num); - } - } - - private void handleConditionalDirective(StringBuffer sb, CLModifiers mods, CLParameters arrParams, - Tape formatParams, Matcher dirMatcher) { - StringBuffer condBody = new StringBuffer(); - - List clauses = new ArrayList<>(); - String defClause = null; - boolean isDefault = false; - - while (dirMatcher.find()) { - /* Process a list of clauses. */ - String dirName = dirMatcher.group("name"); - String dirMods = dirMatcher.group("modifiers"); - - if (dirName != null) { - /* Append everything up to this directive. */ - dirMatcher.appendReplacement(condBody, ""); - - if (dirName.equals("]")) { - /* End the conditional. */ - String clause = condBody.toString(); - if (isDefault) { - defClause = clause; - } else { - clauses.add(clause); - } - - break; - } else if (dirName.equals(";")) { - /* End the clause. */ - String clause = condBody.toString(); - if (isDefault) { - defClause = clause; - } else { - clauses.add(clause); - } - - /* Mark the next clause as the default. */ - if (dirMods.contains(":")) { - isDefault = true; - } - } else { - /* Not a special directive. */ - condBody.append(dirMatcher.group()); - } - } - } - - Object par = formatParams.item(); - if (mods.colonMod) { - formatParams.right(); - - if (par == null) { - throw new IllegalArgumentException("No parameter provided for [ directive."); - } else if (!(par instanceof Boolean)) { - throw new IllegalFormatConversionException('[', par.getClass()); - } - boolean res = (Boolean) par; - - String fmt; - if (res) - fmt = clauses.get(1); - else - fmt = clauses.get(0); - - doFormatString(fmt, sb, formatParams); - } else if (mods.atMod) { - if (par == null) { - throw new IllegalArgumentException("No parameter provided for [ directive."); - } else if (!(par instanceof Boolean)) { - throw new IllegalFormatConversionException('[', par.getClass()); - } - boolean res = (Boolean) par; - - if (res) { - doFormatString(clauses.get(0), sb, formatParams); - } else { - formatParams.right(); - } - } else { - int res; - if (arrParams.length() > 1) { - res = arrParams.getInt(0, "conditional choice", '['); - } else { - if (par == null) { - throw new IllegalArgumentException("No parameter provided for [ directive."); - } else if (!(par instanceof Number)) { - throw new IllegalFormatConversionException('[', par.getClass()); - } - res = ((Number) par).intValue(); - - formatParams.right(); - } - - if (res < 0 || res > clauses.size()) { - if (defClause != null) - doFormatString(defClause, sb, formatParams); - } else { - doFormatString(clauses.get(res), sb, formatParams); - } - } - return; - } - - private void handleEscapeDirective(CLModifiers mods, CLParameters params, Tape formatParams) { - boolean shouldExit; - - switch (params.length()) { - case 0: - shouldExit = formatParams.size() == 0; - break; - case 1: - int num = params.getInt(0, "condition count", '^'); - shouldExit = num == 0; - break; - case 2: - int left = params.getInt(0, "left-hand condition", '^'); - int right = params.getInt(1, "right-hand condition", '^'); - shouldExit = left == right; - break; - case 3: - default: - int low = params.getInt(0, "lower-bound condition", '^'); - int mid = params.getInt(1, "interval condition", '^'); - int high = params.getInt(2, "upper-bound condition", '^'); - shouldExit = (low <= mid) && (mid <= high); - break; - } - - /* At negates it. */ - if (mods.atMod) - shouldExit = !shouldExit; - - if (shouldExit) - throw new EscapeException(mods.colonMod); - } - -} -- cgit v1.2.3