mirror of
https://github.com/jart/cosmopolitan.git
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7aafa64ab3
- Bump redbean up to 2.0 - Trim down the MODE=tiny build a bit - Add Indian Standard Time to zoneinfo
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
#if 0
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/*─────────────────────────────────────────────────────────────────╗
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│ To the extent possible under law, Justine Tunney has waived │
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│ all copyright and related or neighboring rights to this file, │
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│ as it is written in the following disclaimers: │
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│ • http://unlicense.org/ │
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "libc/dce.h"
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#include "libc/log/log.h"
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#include "libc/runtime/gc.internal.h"
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#include "libc/stdio/stdio.h"
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#include "libc/x/x.h"
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#include "net/http/escape.h"
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#include "net/http/http.h"
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#include "third_party/getopt/getopt.h"
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#include "third_party/stb/stb_image.h"
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#define USAGE \
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" [FLAGS] IMG...\n\
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Utility for printing HTML <img> tags.\n\
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\n\
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FLAGS\n\
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\n\
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-h Help\n\
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-a Wrap with <a> tag\n\
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-u Embed data:base64 URI\n"
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int scale;
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bool linktag;
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bool datauri;
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bool sizeonly;
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void PrintUsage(int rc, FILE *f) {
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fputs("Usage: ", f);
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fputs(program_invocation_name, f);
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fputs(USAGE, f);
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exit(rc);
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}
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void PrintImg(const char *path) {
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size_t n;
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int opt, i, yn, xn, cn, w, h;
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void *img, *pix, *src, *mime;
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if (!(img = gc(xslurp(path, &n)))) exit(2);
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if (!(pix = gc(stbi_load_from_memory(img, n, &xn, &yn, &cn, 0)))) exit(3);
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if (linktag) {
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printf("<a href=\"%s\"\n >", path);
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}
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src = path;
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if (datauri) {
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src = xasprintf("data:%s;base64,%s", FindContentType(path, -1),
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gc(EncodeBase64(img, n, &n)));
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}
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w = (xn + (1 << scale) / 2) >> scale;
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h = (yn + (1 << scale) / 2) >> scale;
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if (sizeonly) {
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printf("width=\"%d\" height=\"%d\"", w, h);
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} else {
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printf("<img width=\"%d\" height=\"%d\" alt=\"[%s]\"\n src=\"%s\">", w,
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h, path, src);
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}
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if (linktag) {
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printf("</a>");
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}
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printf("\n");
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}
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int main(int argc, char *argv[]) {
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if (!NoDebug()) ShowCrashReports();
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int i;
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while ((i = getopt(argc, argv, "?huas01234")) != -1) {
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switch (i) {
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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scale = i - '0';
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break;
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case 's':
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sizeonly = true;
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break;
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case 'a':
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linktag = true;
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break;
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case 'u':
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datauri = true;
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break;
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case '?':
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case 'h':
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PrintUsage(0, stdout);
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default:
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PrintUsage(1, stderr);
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}
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}
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if (optind == argc) {
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PrintUsage(1, stderr);
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}
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for (i = optind; i < argc; ++i) {
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PrintImg(argv[i]);
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}
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}
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