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https://github.com/gbdev/rgbds.git
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6b8d33529e
- The '#' component for type 's' now escapes the string characters - The '#' component for type 'f' now prints a precision suffix - The new 'q' component specifies a precision value
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/* SPDX-License-Identifier: MIT */
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#ifndef RGBDS_ASM_FORMAT_HPP
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#define RGBDS_ASM_FORMAT_HPP
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#include <stddef.h>
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#include <stdint.h>
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#include <string>
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enum FormatState {
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FORMAT_SIGN, // expects '+' or ' ' (optional)
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FORMAT_EXACT, // expects '#' (optional)
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FORMAT_ALIGN, // expects '-' (optional)
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FORMAT_WIDTH, // expects '0'-'9', max 255 (optional) (leading '0' indicates pad)
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FORMAT_FRAC, // got '.', expects '0'-'9', max 255 (optional)
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FORMAT_PREC, // got 'q', expects '0'-'9', range 1-31 (optional)
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FORMAT_DONE, // got [duXxbofs] (required)
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FORMAT_INVALID, // got unexpected character
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};
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class FormatSpec {
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FormatState state;
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int sign;
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bool exact;
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bool alignLeft;
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bool padZero;
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size_t width;
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bool hasFrac;
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size_t fracWidth;
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bool hasPrec;
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size_t precision;
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int type;
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bool valid;
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public:
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bool isEmpty() const { return !state; }
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bool isValid() const { return valid || state == FORMAT_DONE; }
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bool isFinished() const { return state >= FORMAT_DONE; }
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void useCharacter(int c);
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void finishCharacters();
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void appendString(std::string &str, std::string const &value) const;
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void appendNumber(std::string &str, uint32_t value) const;
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};
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#endif // RGBDS_ASM_FORMAT_HPP
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