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C++ acts like structs are `typedef`ed by default We do have to keep `struct stat`, since there's ambiguity with the function also called `stat`.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/* SPDX-License-Identifier: MIT */
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#ifndef RGBDS_FORMAT_SPEC_H
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#define RGBDS_FORMAT_SPEC_H
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#include <stdint.h>
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#include <variant>
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#include <vector>
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enum FormatState {
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FORMAT_SIGN, // expects '+' or ' ' (optional)
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FORMAT_PREFIX, // 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_DONE, // got [duXxbofs] (required)
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FORMAT_INVALID, // got unexpected character
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};
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struct FormatSpec {
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enum FormatState state;
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int sign;
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bool prefix;
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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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int type;
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bool valid;
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};
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struct StrFmtArgList {
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char *format;
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std::vector<std::variant<uint32_t, char *>> *args;
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};
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FormatSpec fmt_NewSpec(void);
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bool fmt_IsEmpty(FormatSpec const *fmt);
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bool fmt_IsValid(FormatSpec const *fmt);
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bool fmt_IsFinished(FormatSpec const *fmt);
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void fmt_UseCharacter(FormatSpec *fmt, int c);
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void fmt_FinishCharacters(FormatSpec *fmt);
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void fmt_PrintString(char *buf, size_t bufLen, FormatSpec const *fmt, char const *value);
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void fmt_PrintNumber(char *buf, size_t bufLen, FormatSpec const *fmt, uint32_t value);
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#endif // RGBDS_FORMAT_SPEC_H
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