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improve move number parsing - chess-puzzles - chess puzzle book generator |
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git clone git://git.codemadness.org/chess-puzzles |
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--- |
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commit dab21427a28e5561843d56cb4de324cddd4c53c7 |
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parent 30a2ab3dd2979115341beaedc6d4a4918541036a |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Wed, 20 Dec 2023 19:26:23 +0100 |
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improve move number parsing |
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Diffstat: |
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M fen_to_svg.c | 15 +++++++++++---- |
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1 file changed, 11 insertions(+), 4 deletions(-) |
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--- |
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diff --git a/fen_to_svg.c b/fen_to_svg.c |
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@@ -1,3 +1,4 @@ |
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+/* TODO: write some test-cases for parsing and output FEN */ |
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/* TODO: option to flip board? */ |
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#include <ctype.h> |
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@@ -420,7 +421,7 @@ main(int argc, char *argv[]) |
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/* initial board state, FEN format */ |
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x = y = field = 0; |
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- for (s = fen; *s; s++) { |
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+ for (s = fen; *s && field < 6; s++) { |
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switch (field) { |
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case 0: /* piece placement data */ |
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/* skip square */ |
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@@ -478,7 +479,9 @@ main(int argc, char *argv[]) |
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l = strtol(s, NULL, 10); |
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if (l >= 0 && l < 32767) { |
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halfmove = l; |
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- s += strspn(s, "0123456789"); |
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+ |
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+ for (; *s && isdigit((unsigned char)*s); s++) |
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+ ; |
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} |
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break; |
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case 5: /* move number */ |
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@@ -487,11 +490,15 @@ main(int argc, char *argv[]) |
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l = strtol(s, NULL, 10); |
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if (l >= 0 && l < 32767) { |
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- movenumber = l; |
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- s += strspn(s, "0123456789"); |
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+ movenumber = (int)l; |
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+ for (; *s && isdigit((unsigned char)*s); s++) |
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+ ; |
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} |
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break; |
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} |
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+ if (!*s) |
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+ break; |
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+ |
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/* TODO: parse which side to move, en-passant, etc */ |
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/* next field, fields are: piece placement data, active color, |
