From: sajt <sajt@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 9 Oct 2007 19:48:13 +0000 (+0000)
Subject: Added DP_QC_STRREPLACE - adds strreplace and strireplace functions (behave like str_r... 
X-Git-Tag: xonotic-v0.1.0preview~2863
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=6cdea2644603f8f6644976b73797f92b5f2e10c0;p=xonotic%2Fdarkplaces.git

Added DP_QC_STRREPLACE - adds strreplace and strireplace functions (behave like str_replace and str_ireplace in PHP)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7615 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/clvm_cmds.c b/clvm_cmds.c
index 9afd7812..f4cab9c5 100644
--- a/clvm_cmds.c
+++ b/clvm_cmds.c
@@ -3234,8 +3234,8 @@ VM_strtolower,					// #480 string(string s) VM_strtolower (DP_QC_STRING_CASE_FUN
 VM_strtoupper,					// #481 string(string s) VM_strtoupper (DP_QC_STRING_CASE_FUNCTIONS)
 VM_cvar_defstring,				// #482 string(string s) cvar_defstring (DP_QC_CVAR_DEFSTRING)
 VM_CL_pointsound,				// #483 void(vector origin, string sample, float volume, float attenuation) (DP_SV_POINTSOUND)
-NULL,							// #484
-NULL,							// #485
+VM_strreplace,					// #484 string(string search, string replace, string subject) strreplace (DP_QC_STRREPLACE)
+VM_strireplace,					// #485 string(string search, string replace, string subject) strireplace (DP_QC_STRREPLACE)
 NULL,							// #486
 NULL,							// #487
 NULL,							// #488
diff --git a/mvm_cmds.c b/mvm_cmds.c
index cef5830c..69391109 100644
--- a/mvm_cmds.c
+++ b/mvm_cmds.c
@@ -14,6 +14,7 @@ char *vm_m_extensions =
 "DP_QC_TOKENIZEBYSEPARATOR "
 "DP_QC_UNLIMITEDTEMPSTRINGS "
 "DP_QC_CMD "
+"DP_QC_STRREPLACE "
 ;
 
 /*
@@ -1243,8 +1244,8 @@ VM_strtolower,				// #480 string(string s) VM_strtolower : DRESK - Return string
 VM_strtoupper,				// #481 string(string s) VM_strtoupper : DRESK - Return string as uppercase
 NULL,						// #482
 NULL,						// #483
-NULL,						// #484
-NULL,						// #485
+VM_strreplace,				// #484 string(string search, string replace, string subject) strreplace (DP_QC_STRREPLACE)
+VM_strireplace,				// #485 string(string search, string replace, string subject) strireplace (DP_QC_STRREPLACE)
 NULL,						// #486
 NULL,						// #487
 NULL,						// #488
diff --git a/prvm_cmds.c b/prvm_cmds.c
index f2e1720d..6276252c 100644
--- a/prvm_cmds.c
+++ b/prvm_cmds.c
@@ -1875,6 +1875,104 @@ void VM_substring(void)
 	PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
 }
 
+/*
+=========
+VM_strreplace
+
+string(string search, string replace, string subject) strreplace = #484;
+=========
+*/
+// replaces all occurrences of search with replace in the string subject, and returns the result
+void VM_strreplace(void)
+{
+	int i, j, si;
+	const char *search, *replace, *subject;
+	char string[VM_STRINGTEMP_LENGTH];
+	int search_len, replace_len, subject_len;
+
+	VM_SAFEPARMCOUNT(3,VM_strreplace);
+
+	search = PRVM_G_STRING(OFS_PARM0);
+	replace = PRVM_G_STRING(OFS_PARM1);
+	subject = PRVM_G_STRING(OFS_PARM2);
+
+	search_len = (int)strlen(search);
+	replace_len = (int)strlen(replace);
+	subject_len = (int)strlen(subject);
+
+	for (i = 0; i < subject_len; i++)
+	{
+		for (j = 0; j < search_len && i+j < subject_len; j++)
+			if (subject[i+j] != search[j])
+				break;
+		if (j == search_len)
+		{
+		// found it at offset 'i'
+			for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
+				string[si++] = replace[j];
+			i += search_len - 1;
+		}
+		else
+		{
+		// not found
+			if (si < (int)sizeof(string) - 1)
+				string[si++] = subject[i];
+		}
+	}
+	string[si] = '\0';
+
+	PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
+}
+
+/*
+=========
+VM_strireplace
+
+string(string search, string replace, string subject) strireplace = #485;
+=========
+*/
+// case-insensitive version of strreplace
+void VM_strireplace(void)
+{
+	int i, j, si;
+	const char *search, *replace, *subject;
+	char string[VM_STRINGTEMP_LENGTH];
+	int search_len, replace_len, subject_len;
+
+	VM_SAFEPARMCOUNT(3,VM_strreplace);
+
+	search = PRVM_G_STRING(OFS_PARM0);
+	replace = PRVM_G_STRING(OFS_PARM1);
+	subject = PRVM_G_STRING(OFS_PARM2);
+
+	search_len = (int)strlen(search);
+	replace_len = (int)strlen(replace);
+	subject_len = (int)strlen(subject);
+
+	for (i = 0; i < subject_len; i++)
+	{
+		for (j = 0; j < search_len && i+j < subject_len; j++)
+			if (tolower(subject[i+j]) != tolower(search[j]))
+				break;
+		if (j == search_len)
+		{
+		// found it at offset 'i'
+			for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
+				string[si++] = replace[j];
+			i += search_len - 1;
+		}
+		else
+		{
+		// not found
+			if (si < (int)sizeof(string) - 1)
+				string[si++] = subject[i];
+		}
+	}
+	string[si] = '\0';
+
+	PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
+}
+
 /*
 =========
 VM_stov
diff --git a/prvm_cmds.h b/prvm_cmds.h
index 20c4927b..1efbd261 100644
--- a/prvm_cmds.h
+++ b/prvm_cmds.h
@@ -381,6 +381,9 @@ void VM_strncasecmp (void);
 void VM_registercvar (void);
 void VM_wasfreed (void);
 
+void VM_strreplace (void);
+void VM_strireplace (void);
+
 void VM_SetTraceGlobals(const trace_t *trace);
 
 void VM_Cmd_Init(void);
diff --git a/svvm_cmds.c b/svvm_cmds.c
index a1150ddf..5700b21a 100644
--- a/svvm_cmds.c
+++ b/svvm_cmds.c
@@ -143,6 +143,7 @@ char *vm_sv_extensions =
 "DP_QC_CMD "
 "FTE_STRINGS "
 "DP_CON_BESTWEAPON "
+"DP_QC_STRREPLACE "
 ;
 
 /*
@@ -3216,8 +3217,8 @@ VM_strtolower,					// #480 string(string s) VM_strtolower (DP_QC_STRING_CASE_FUN
 VM_strtoupper,					// #481 string(string s) VM_strtoupper (DP_QC_STRING_CASE_FUNCTIONS)
 VM_cvar_defstring,				// #482 string(string s) cvar_defstring (DP_QC_CVAR_DEFSTRING)
 VM_SV_pointsound,				// #483 void(vector origin, string sample, float volume, float attenuation) (DP_SV_POINTSOUND)
-NULL,							// #484
-NULL,							// #485
+VM_strreplace,					// #484 string(string search, string replace, string subject) strreplace (DP_QC_STRREPLACE)
+VM_strireplace,					// #485 string(string search, string replace, string subject) strireplace (DP_QC_STRREPLACE)
 NULL,							// #486
 NULL,							// #487
 NULL,							// #488