From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 16 May 2017 08:41:07 +0000 (+0200)
Subject: DVR: add PCRE2 support
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=54ade6347467b764bef9ba219000d39d155dc535;p=thirdparty%2Ftvheadend.git

DVR: add PCRE2 support
---

diff --git a/configure b/configure
index a5487965a..12966718d 100755
--- a/configure
+++ b/configure
@@ -55,6 +55,7 @@ OPTIONS=(
   "inotify:auto"
   "epoll:auto"
   "pcre:auto"
+  "pcre2:auto"
   "uriparser:auto"
   "ccache:auto"
   "tvhcsa:auto"
@@ -385,14 +386,29 @@ if enabled_or_auto satip_client; then
   enable upnp
 fi
 
+#
+# PCRE2
+#
+if enabled_or_auto pcre2; then
+  if check_pkg libpcre2-8; then
+    enable pcre2
+  elif enabled pcre2; then
+    die "pcre2 development support not found (use --disable-pcre2)"
+  fi
+fi
+
 #
 # PCRE
 #
-if enabled_or_auto pcre; then
-  if check_pkg libpcre; then
-    enable pcre
-  elif enabled pcre; then
-    die "pcre development support not found (use --disable-pcre)"
+if enabled pcre2; then
+  disable pcre
+else
+  if enabled_or_auto pcre; then
+    if check_pkg libpcre; then
+      enable pcre
+    elif enabled pcre; then
+      die "pcre development support not found (use --disable-pcre)"
+    fi
   fi
 fi
 
diff --git a/src/dvr/dvr.h b/src/dvr/dvr.h
index b9ff99afd..0a828b954 100644
--- a/src/dvr/dvr.h
+++ b/src/dvr/dvr.h
@@ -23,6 +23,10 @@
 #if ENABLE_PCRE
 #include <pcre.h>
 #endif
+#if ENABLE_PCRE2
+#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
+#endif
 #include "epg.h"
 #include "channels.h"
 #include "subscriptions.h"
@@ -346,6 +350,9 @@ typedef struct dvr_autorec_entry {
 #if ENABLE_PCRE
   pcre *dae_title_pcre;
   pcre_extra *dae_title_pcre_extra;
+#elif ENABLE_PCRE2
+  pcre2_code *dae_title_pcre;
+  pcre2_match_data *dae_title_pcre_match;
 #endif
   int dae_fulltext;
   
diff --git a/src/dvr/dvr_autorec.c b/src/dvr/dvr_autorec.c
index 0a0c01a4a..b5f70394f 100644
--- a/src/dvr/dvr_autorec.c
+++ b/src/dvr/dvr_autorec.c
@@ -41,14 +41,18 @@ struct dvr_autorec_entry_queue autorec_entries;
  */
 static inline int autorec_regexec(dvr_autorec_entry_t *dae, const char *str)
 {
-  int r;
 #if ENABLE_PCRE
   if (dae->dae_pcre) {
-    int vec[30];
+    int r, vec[30];
     r = pcre_exec(dae->dae_title_pcre, dae->dae_title_pcre_extra,
                   str, strlen(str), 0, 0, vec, ARRAY_SIZE(vec));
     return r < 0;
   } else
+#elif ENABLE_PCRE2
+    int r;
+    r = pcre2_match(dae->dae_title_pcre, (PCRE2_SPTR8)str, -1, 0, 0,
+                    dae->dae_title_pcre_match, NULL);
+    return r <= 0;
 #endif
   {
     return regexec(&dae->dae_title_preg, str, 0, NULL, 0);
@@ -72,6 +76,12 @@ static void autorec_regfree(dvr_autorec_entry_t *dae)
       dae->dae_title_pcre_extra = NULL;
       dae->dae_title_pcre = NULL;
     } else
+#elif ENABLE_PCRE2
+    if (dae->dae_pcre) {
+      pcre2_match_data_free(dae->dae_title_pcre_match);
+      dae->dae_title_pcre_match = NULL;
+      dae->dae_title_pcre = NULL;
+    } else
 #endif
     {
       regfree(&dae->dae_title_preg);
@@ -345,6 +355,9 @@ dvr_autorec_create(const char *uuid, htsmsg_t *conf)
 
   TAILQ_INSERT_TAIL(&autorec_entries, dae, dae_link);
 
+  /* PCRE flag must be set before load (order issue) */
+  if (conf)
+    dae->dae_pcre = htsmsg_get_bool_or_default(conf, "pcre", 0);
   idnode_load(&dae->dae_id, conf);
 
   htsp_autorec_entry_add(dae);
@@ -589,6 +602,21 @@ dvr_autorec_entry_class_title_set(void *o, const void *v)
             dae->dae_title = strdup(title);
         }
       } else
+#elif ENABLE_PCRE2
+      if (dae->dae_pcre) {
+        PCRE2_UCHAR8 ebuf[128];
+        int ecode, eoff;
+        dae->dae_title_pcre = pcre2_compile((PCRE2_SPTR8)title, -1,
+                                            PCRE2_CASELESS | PCRE2_UTF,
+                                            &ecode, &eoff, NULL);
+        if (dae->dae_title_pcre == NULL) {
+          (void)pcre2_get_error_message(ecode, ebuf, 120);
+          tvherror(LS_DVR, "Unable to compile PCRE2 '%s': %s", title, ebuf);
+        } else {
+          dae->dae_title_pcre_match = pcre2_match_data_create(20, NULL);
+          dae->dae_title = strdup(title);
+        }
+      } else
 #endif
       {
         if (!regcomp(&dae->dae_title_preg, title,