Add searchable keywords to code for content stream interpreter.

1 files changed, 68 insertions, 69 deletions

diff --git a/mupdf/pdf_interpret.c b/mupdf/pdf_interpret.c
index 425b009f..afcc7c50 100644
--- a/mupdf/pdf_interpret.c
+++ b/mupdf/pdf_interpret.c
@@ -405,24 +405,24 @@ pdf_runkeyword(pdf_csi *csi, fz_obj *rdb, char *buf)
 	case 'B':
 		switch(buf[1])
 		{
-		case 0:
+		case 0: /* "B" */
 			if (csi->top < 0)
 				goto syntaxerror;
 			pdf_showpath(csi, 0, 1, 1, 0);
 			break;
-		case 'D':
+		case 'D': /* "BDC" */
 			if ((buf[2] != 'C') || (buf[3] != 0))
 				goto defaultcase;
 			if (csi->top < 2)
 				goto syntaxerror;
 			break;
-		case 'M':
+		case 'M': /* "BMC" */
 			if ((buf[2] != 'C') || (buf[3] != 0))
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			break;
-		case 'T':
+		case 'T': /* "BT" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
@@ -430,14 +430,14 @@ pdf_runkeyword(pdf_csi *csi, fz_obj *rdb, char *buf)
 			csi->tm = fz_identity;
 			csi->tlm = fz_identity;
 			break;
-		case 'X':
+		case 'X': /* "BX" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
 				goto syntaxerror;
 			csi->xbalance ++;
 			break;
-		case '*':
+		case '*': /* "B*" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
@@ -449,7 +449,7 @@ pdf_runkeyword(pdf_csi *csi, fz_obj *rdb, char *buf)
 		}
 		break;
 
-	case 'C':
+	case 'C': /* "CS" */
 		if ((buf[1] == 'S') && (buf[2] == 0))
 		{
 			fz_colorspace *cs;
@@ -505,13 +505,13 @@ Lsetcolorspace:
 	case 'D':
 		switch (buf[1])
 		{
-		case 'P':
+		case 'P': /* "Dp" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 2)
 				goto syntaxerror;
 			break;
-		case 'o':
+		case 'o': /* "Do" */
 		{
 			fz_obj *dict;
 			fz_obj *obj;
@@ -588,20 +588,20 @@ Lsetcolorspace:
 	case 'E':
 		switch (buf[1])
 		{
-		case 'X':
+		case 'X': /* "EX" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
 				goto syntaxerror;
 			csi->xbalance --;
 			break;
-		case 'M':
+		case 'M': /* "EW" */
 			if ((buf[2] != 'C') || (buf[3] != 0))
 				goto defaultcase;
 			if (csi->top < 0)
 				goto syntaxerror;
 			break;
-		case 'T':
+		case 'T': /* "ET" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
@@ -614,7 +614,7 @@ Lsetcolorspace:
 		}
 		break;
 
-	case 'F':
+	case 'F': /* "F" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 0)
@@ -622,7 +622,7 @@ Lsetcolorspace:
 		pdf_showpath(csi, 0, 1, 0, 0);
 		break;
 
-	case 'G':
+	case 'G': /* "G" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 1)
@@ -633,7 +633,7 @@ Lsetcolorspace:
 		pdf_setcolor(csi, PDF_MSTROKE, v);
 		break;
 
-	case 'J':
+	case 'J': /* "J" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 1)
@@ -641,7 +641,7 @@ Lsetcolorspace:
 		gstate->strokestate.linecap = fz_toint(csi->stack[0]);
 		break;
 
-	case 'K':
+	case 'K': /* "K" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 4)
@@ -659,12 +659,12 @@ Lsetcolorspace:
 	case 'M':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "M" */
 			if (csi->top < 1)
 				goto syntaxerror;
 			gstate->strokestate.miterlimit = fz_toreal(csi->stack[0]);
 			break;
-		case 'P':
+		case 'P': /* "Mp" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
@@ -675,7 +675,7 @@ Lsetcolorspace:
 		}
 		break;
 
-	case 'Q':
+	case 'Q': /* "Q" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 0)
@@ -683,7 +683,7 @@ Lsetcolorspace:
 		pdf_grestore(csi);
 		break;
 
-	case 'R':
+	case 'R': /* "RG" */
 		if ((buf[1] != 'G') || (buf[2] != 0))
 			goto defaultcase;
 		if (csi->top < 3)
@@ -700,14 +700,13 @@ Lsetcolorspace:
 	case 'S':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "S" */
 			if (csi->top < 0)
 				goto syntaxerror;
 			pdf_showpath(csi, 0, 0, 1, 0);
 			break;
-		case 'C':
+		case 'C': /* "SC" or "SCN" */
 		{
-			/* SC or SCN */
 			pdf_material *mat;
 			fz_obj *patterntype;
 			fz_obj *dict;
@@ -794,21 +793,21 @@ Lsetcolor:
 	case 'T':
 		switch (buf[1])
 		{
-		case 'c':
+		case 'c': /* "Tc" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			gstate->charspace = fz_toreal(csi->stack[0]);
 			break;
-		case 'w':
+		case 'w': /* "Tw" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			gstate->wordspace = fz_toreal(csi->stack[0]);
 			break;
-		case 'z':
+		case 'z': /* "Tz" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
@@ -817,14 +816,14 @@ Lsetcolor:
 			pdf_flushtext(csi);
 			gstate->scale = a;
 			break;
-		case 'L':
+		case 'L': /* "TL" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			gstate->leading = fz_toreal(csi->stack[0]);
 			break;
-		case 'f':
+		case 'f': /* "Tf" */
 		{
 			fz_obj *dict;
 			fz_obj *obj;
@@ -856,21 +855,21 @@ Lsetcolor:
 
 			break;
 		}
-		case 'r':
+		case 'r': /* "Tr" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			gstate->render = fz_toint(csi->stack[0]);
 			break;
-		case 's':
+		case 's': /* "Ts" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			gstate->rise = fz_toreal(csi->stack[0]);
 			break;
-		case 'd':
+		case 'd': /* "Td" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 2)
@@ -879,7 +878,7 @@ Lsetcolor:
 			csi->tlm = fz_concat(m, csi->tlm);
 			csi->tm = csi->tlm;
 			break;
-		case 'D':
+		case 'D': /* "TD" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 2)
@@ -889,7 +888,7 @@ Lsetcolor:
 			csi->tlm = fz_concat(m, csi->tlm);
 			csi->tm = csi->tlm;
 			break;
-		case 'm':
+		case 'm': /* "Tm" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 6)
@@ -907,7 +906,7 @@ Lsetcolor:
 			csi->tm = m;
 			csi->tlm = csi->tm;
 			break;
-		case '*':
+		case '*': /* "T*" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
@@ -916,14 +915,14 @@ Lsetcolor:
 			csi->tlm = fz_concat(m, csi->tlm);
 			csi->tm = csi->tlm;
 			break;
-		case 'j':
+		case 'j': /* "Tj" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			pdf_showtext(csi, csi->stack[0]);
 			break;
-		case 'J':
+		case 'J': /* "TJ" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
@@ -938,13 +937,13 @@ Lsetcolor:
 	case 'W':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "W" */
 			if (csi->top < 0)
 				goto syntaxerror;
 			csi->clip = 1;
 			csi->clipevenodd = 0;
 			break;
-		case '*':
+		case '*': /* "W*" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
@@ -960,12 +959,12 @@ Lsetcolor:
 	case 'b':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "b" */
 			if (csi->top < 0)
 				goto syntaxerror;
 			pdf_showpath(csi, 1, 1, 1, 0);
 			break;
-		case '*':
+		case '*': /* "b*" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
@@ -980,7 +979,7 @@ Lsetcolor:
 	case 'c':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "c" */
 			if (csi->top < 6)
 				goto syntaxerror;
 			a = fz_toreal(csi->stack[0]);
@@ -991,7 +990,7 @@ Lsetcolor:
 			f = fz_toreal(csi->stack[5]);
 			fz_curveto(csi->path, a, b, c, d, e, f);
 			break;
-		case 'm':
+		case 'm': /* "cm" */
 		{
 			if (buf[2] != 0)
 				goto defaultcase;
@@ -1008,7 +1007,7 @@ Lsetcolor:
 			gstate->ctm = fz_concat(m, gstate->ctm);
 			break;
 		}
-		case 's':
+		case 's': /* "cs" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			what = PDF_MFILL;
@@ -1021,7 +1020,7 @@ Lsetcolor:
 	case 'd':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "d" */
 		{
 			fz_obj *array;
 			if (csi->top < 2)
@@ -1035,8 +1034,8 @@ Lsetcolor:
 			gstate->strokestate.dashphase = fz_toreal(csi->stack[1]);
 			break;
 		}
-		case '0':
-		case '1':
+		case '0': /* "d0" */
+		case '1': /* "d1" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			/* we don't care about setcharwidth and setcachedevice */
@@ -1049,12 +1048,12 @@ Lsetcolor:
 	case 'f':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "f" */
 			if (csi->top < 0)
 				goto syntaxerror;
 			pdf_showpath(csi, 0, 1, 0, 0);
 			break;
-		case '*':
+		case '*': /* "f*" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 0)
@@ -1069,7 +1068,7 @@ Lsetcolor:
 	case 'g':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "g" */
 			if (csi->top < 1)
 				goto syntaxerror;
 
@@ -1077,7 +1076,7 @@ Lsetcolor:
 			pdf_setcolorspace(csi, PDF_MFILL, fz_devicegray);
 			pdf_setcolor(csi, PDF_MFILL, v);
 			break;
-		case 's':
+		case 's': /* "gs" */
 		{
 			fz_obj *dict;
 			fz_obj *obj;
@@ -1105,7 +1104,7 @@ Lsetcolor:
 		}
 		break;
 
-	case 'h':
+	case 'h': /* "h" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 0)
@@ -1113,7 +1112,7 @@ Lsetcolor:
 		fz_closepath(csi->path);
 		break;
 
-	case 'i':
+	case 'i': /* "i" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 1)
@@ -1121,7 +1120,7 @@ Lsetcolor:
 		/* flatness */
 		break;
 
-	case 'j':
+	case 'j': /* "j" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 1)
@@ -1129,7 +1128,7 @@ Lsetcolor:
 		gstate->strokestate.linejoin = fz_toint(csi->stack[0]);
 		break;
 
-	case 'k':
+	case 'k': /* "k" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 4)
@@ -1144,7 +1143,7 @@ Lsetcolor:
 		pdf_setcolor(csi, PDF_MFILL, v);
 		break;
 
-	case 'l':
+	case 'l': /* "l" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 2)
@@ -1154,7 +1153,7 @@ Lsetcolor:
 		fz_lineto(csi->path, a, b);
 		break;
 
-	case 'm':
+	case 'm': /* "m" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 2)
@@ -1164,7 +1163,7 @@ Lsetcolor:
 		fz_moveto(csi->path, a, b);
 		break;
 
-	case 'n':
+	case 'n': /* "n" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 0)
@@ -1172,7 +1171,7 @@ Lsetcolor:
 		pdf_showpath(csi, 0, 0, 0, csi->clipevenodd);
 		break;
 
-	case 'q':
+	case 'q': /* "q" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 0)
@@ -1183,13 +1182,13 @@ Lsetcolor:
 	case 'r':
 		switch (buf[1])
 		{
-		case 'i':
+		case 'i': /* "ri" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 1)
 				goto syntaxerror;
 			break;
-		case 'e':
+		case 'e': /* "re" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 4)
@@ -1206,7 +1205,7 @@ Lsetcolor:
 			fz_lineto(csi->path, x, y + h);
 			fz_closepath(csi->path);
 			break;
-		case 'g':
+		case 'g': /* "rg" */
 			if (buf[2] != 0)
 				goto defaultcase;
 			if (csi->top < 3)
@@ -1227,17 +1226,17 @@ Lsetcolor:
 	case 's':
 		switch (buf[1])
 		{
-		case 0:
+		case 0: /* "s" */
 			if (csi->top < 0)
 				goto syntaxerror;
 			pdf_showpath(csi, 1, 0, 1, 0);
 			break;
-		case 'c':
+		case 'c': /* "sc" or "scn" */
 			if ((buf[2] != 0) && ((buf[2] != 'n') || (buf[3] != 0)))
 				goto defaultcase;
 			what = PDF_MFILL;
 			goto Lsetcolor;
-		case 'h':
+		case 'h': /* "sh" */
 		{
 			fz_obj *dict;
 			fz_obj *obj;
@@ -1271,7 +1270,7 @@ Lsetcolor:
 		}
 		break;
 
-	case 'v':
+	case 'v': /* "v" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 4)
@@ -1283,7 +1282,7 @@ Lsetcolor:
 		fz_curvetov(csi->path, a, b, c, d);
 		break;
 
-	case 'w':
+	case 'w': /* "w" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 1)
@@ -1291,7 +1290,7 @@ Lsetcolor:
 		gstate->strokestate.linewidth = fz_toreal(csi->stack[0]);
 		break;
 
-	case 'y':
+	case 'y': /* "y" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 4)
@@ -1303,7 +1302,7 @@ Lsetcolor:
 		fz_curvetoy(csi->path, a, b, c, d);
 		break;
 
-	case '\'':
+	case '\'': /* "'" */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 1)
@@ -1316,7 +1315,7 @@ Lsetcolor:
 		pdf_showtext(csi, csi->stack[0]);
 		break;
 
-	case '"':
+	case '"': /* """ */
 		if (buf[1] != 0)
 			goto defaultcase;
 		if (csi->top < 3)