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annotate scid/pageutil.c @ 40:752bb1cd2dd8

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themes: improve status page
author David Demelier <markand@malikania.fr>
date Sun, 07 Aug 2022 08:43:32 +0200
parents 081e1c258e64
children 576f4b1ec79f
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1 /*
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2 * pageutil.c -- page utilities
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3 *
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4 * Copyright (c) 2021-2022 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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19 #include <assert.h>
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21 #include "pageutil.h"
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22 #include "theme.h"
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23 #include "scid.h"
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25 void
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26 pageutil_render(struct kreq *req,
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27 enum khttp status,
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28 enum kmime mime,
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29 const char *content)
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30 {
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31 assert(req);
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33 khttp_head(req, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[mime]);
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34 khttp_head(req, kresps[KRESP_STATUS], "%s", khttps[status]);
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36 if (content) {
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37 khttp_body(req);
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38 khttp_printf(req, "%s", content);
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39 }
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41 khttp_free(req);
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42 }
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44 static const int statustab[] = {
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45 [KHTTP_200] = 200,
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46 [KHTTP_400] = 400,
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47 [KHTTP_404] = 404,
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48 [KHTTP_500] = 500
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49 };
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51 static const char * const statusmsg[] = {
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52 [KHTTP_200] = "OK",
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53 [KHTTP_400] = "Bad Request",
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54 [KHTTP_404] = "Not Found",
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55 [KHTTP_500] = "Internal Server Error"
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56 };
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58 void
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59 pageutil_status(struct kreq *req, enum khttp status)
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60 {
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61 assert(req);
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62
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63 char *body;
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64
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65 /*
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66 * KHTTP_ are numbered like a standard enum, the Javascript code must
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67 * get the appropriate HTTP code instead.
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68 */
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69 body = theme_page_status(statustab[status], statusmsg[status]);
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70 pageutil_render(req, status, KMIME_TEXT_HTML, body);
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71 free(body);
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72 }
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74 void
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75 pageutil_json(struct kreq *req, enum khttp status, json_t *doc)
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76 {
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77 assert(req);
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79 char *body;
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81 khttp_head(req, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[KMIME_APP_JSON]);
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82 khttp_head(req, kresps[KRESP_STATUS], "%s", khttps[status]);
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83
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84 if (doc) {
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85 if ((body = json_dumps(doc, JSON_COMPACT))) {
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86 khttp_body(req);
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87 khttp_printf(req, "%s", body);
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88 }
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89
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90 json_decref(doc);
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91 }
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93 khttp_free(req);
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94 }