static ASTPtr parseSpecifiedLengthContent(const char** fptr, const char*** wordSourcesPtr, const LengthFunc** lengthFuncsPtr) { assert(**fptr == '\'' || std::isdigit(**fptr) || **fptr == '#'); ASTPtr slc; if (**fptr == '\'') { slc = parseStringLiteral(fptr); } else if (**fptr == '#') { slc = parseRepeatedCharFL(fptr, lengthFuncsPtr); } else { const char* f_at = *fptr; LiteralLength length = parseLiteralLength(fptr); if (**fptr == '\'') { slc.reset(new RepeatedCharLL(f_at, length, parseCharLiteral(fptr))); } else if (**fptr == '[') { Block* block = new Block(f_at, length); slc.reset(block); ++*fptr; parseWhitespaces(fptr); // [ is a token while (**fptr != ']') { if (**fptr == '\'' || std::isdigit(**fptr) || **fptr == '#') { block->addChild(parseSpecifiedLengthContent(fptr, wordSourcesPtr, lengthFuncsPtr)); } else if (**fptr == '{') { block->addWords(parseWords(fptr, wordSourcesPtr)); } else { throw DSLException(*fptr, "Expected ', digit, or # to begin specified-length content, " "or { to begin greedy-length content."); } } ++*fptr; parseWhitespaces(fptr); // ] is a token if (**fptr == '^') { parseTopOrBottomFiller(fptr, &block->topFillers, true); if (**fptr == 'v') { parseTopOrBottomFiller(fptr, &block->bottomFillers, false); } } else if (**fptr == 'v') { parseTopOrBottomFiller(fptr, &block->bottomFillers, false); if (**fptr == '^') { parseTopOrBottomFiller(fptr, &block->topFillers, true); } } } else { throw DSLException(*fptr, "Expected ' or [ after length specifier."); } } return slc; }
static ASTPtr parseRepeatedCharFL(const char** fptr, const LengthFunc** lengthFuncsPtr) { assert(**fptr == '#'); const char* f_at = *fptr; ASTPtr ast; FunctionLength length = parseFunctionLength(fptr, lengthFuncsPtr); if (**fptr == '\'') { char c = parseCharLiteral(fptr); ast.reset(new RepeatedCharFL(f_at, length, c)); } else { throw DSLException(*fptr, "Expected char literal after function length."); } return ast; }